Search a number
-
+
2984439 = 3994813
BaseRepresentation
bin1011011000100111110111
312121121212210
423120213313
51231000224
6143544503
734236663
oct13304767
95547783
102984439
111759287
12bbb133
13806553
145798a3
153de429
hex2d89f7

2984439 has 4 divisors (see below), whose sum is σ = 3979256. Its totient is φ = 1989624.

The previous prime is 2984417. The next prime is 2984441. The reversal of 2984439 is 9344892.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2984439 - 25 = 2984407 is a prime.

It is a super-2 number, since 2×29844392 = 17813752289442, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2984397 and 2984406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2984479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497404 + ... + 497409.

It is an arithmetic number, because the mean of its divisors is an integer number (994814).

22984439 is an apocalyptic number.

2984439 is a deficient number, since it is larger than the sum of its proper divisors (994817).

2984439 is an equidigital number, since it uses as much as digits as its factorization.

2984439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994816.

The product of its digits is 62208, while the sum is 39.

The square root of 2984439 is about 1727.5528935462. The cubic root of 2984439 is about 143.9751596813.

The spelling of 2984439 in words is "two million, nine hundred eighty-four thousand, four hundred thirty-nine".

Divisors: 1 3 994813 2984439