7925985 has 16 divisors (see below), whose sum is σ = 14090880. Its totient is φ = 4227120.

The previous prime is 7925977. The next prime is 7925989. The reversal of 7925985 is 5895297.

It is a happy number.

It is not a de Polignac number, because 7925985 - 2³ = 7925977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7925985.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7925989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29221 + ... + 29490.

It is an arithmetic number, because the mean of its divisors is an integer number (880680).

Almost surely, 2^7925985 is an apocalyptic number.

It is an amenable number.

7925985 is a deficient number, since it is larger than the sum of its proper divisors (6164895).

7925985 is a wasteful number, since it uses less digits than its factorization.

7925985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58725 (or 58719 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 7925985 is about 2815.3125936563. The cubic root of 7925985 is about 199.3812963358.

The spelling of 7925985 in words is "seven million, nine hundred twenty-five thousand, nine hundred eighty-five".