8990725 has 12 divisors (see below), whose sum is σ = 11533860. Its totient is φ = 6944000.

The previous prime is 8990719. The next prime is 8990731. The reversal of 8990725 is 5270998.

It is an interprime number because it is at equal distance from previous prime (8990719) and next prime (8990731).

It can be written as a sum of positive squares in 6 ways, for example, as 329476 + 8661249 = 574^2 + 2943^2 .

It is not a de Polignac number, because 8990725 - 2⁵ = 8990693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5476 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (961155).

Almost surely, 2^8990725 is an apocalyptic number.

It is an amenable number.

8990725 is a deficient number, since it is larger than the sum of its proper divisors (2543135).

8990725 is a wasteful number, since it uses less digits than its factorization.

8990725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12440 (or 12435 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 8990725 is about 2998.4537681945. The cubic root of 8990725 is about 207.9369030138.

The spelling of 8990725 in words is "eight million, nine hundred ninety thousand, seven hundred twenty-five".