2864925 has 72 divisors (see below), whose sum is σ = 6267456. Its totient is φ = 1221120.

The previous prime is 2864909. The next prime is 2864963. The reversal of 2864925 is 5294682.

It is a happy number.

2864925 is a `hidden beast` number, since 2 + 8 + 649 + 2 + 5 = 666.

It is not a de Polignac number, because 2864925 - 2⁴ = 2864909 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2864925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26722 + ... + 26828.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

2^2864925 is an apocalyptic number.

2864925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2864925 is an abundant number, since it is smaller than the sum of its proper divisors (3402531).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2864925 is a wasteful number, since it uses less digits than its factorization.

2864925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2864925 is about 1692.6089329789. The cubic root of 2864925 is about 142.0270562741.

The spelling of 2864925 in words is "two million, eight hundred sixty-four thousand, nine hundred twenty-five".