2389973 has 2 divisors, whose sum is σ = 2389974. Its totient is φ = 2389972.

The previous prime is 2389969. The next prime is 2389993. The reversal of 2389973 is 3799832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1868689 + 521284 = 1367^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 2389973 - 2² = 2389969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2389973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194986 + 1194987.

It is an arithmetic number, because the mean of its divisors is an integer number (1194987).

2^2389973 is an apocalyptic number.

It is an amenable number.

2389973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389973 is an equidigital number, since it uses as much as digits as its factorization.

2389973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 2389973 is about 1545.9537509253. The cubic root of 2389973 is about 133.6998740747.

The spelling of 2389973 in words is "two million, three hundred eighty-nine thousand, nine hundred seventy-three".