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2389669 is a prime number
BaseRepresentation
bin1001000111011010100101
311111102000021
421013122211
51102432134
6123115141
726211652
oct11073245
94442007
102389669
111392437
12972ab1
13658909
14462c29
153230b4
hex2476a5

2389669 has 2 divisors, whose sum is σ = 2389670. Its totient is φ = 2389668.

The previous prime is 2389663. The next prime is 2389693. The reversal of 2389669 is 9669832.

2389669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1809025 + 580644 = 1345^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 2389669 - 23 = 2389661 is a prime.

It is a super-2 number, since 2×23896692 = 11421035859122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 29 + 311 + 8 + 93 + 63 + 68 + 96 .

2389669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194834 + 1194835.

It is an arithmetic number, because the mean of its divisors is an integer number (1194835).

22389669 is an apocalyptic number.

2389669 is the 893-rd hex number.

It is an amenable number.

2389669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389669 is an equidigital number, since it uses as much as digits as its factorization.

2389669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 2389669 is about 1545.8554266166. The cubic root of 2389669 is about 133.6942050448.

The spelling of 2389669 in words is "two million, three hundred eighty-nine thousand, six hundred sixty-nine".