3912625 has 16 divisors (see below), whose sum is σ = 4943952. Its totient is φ = 3091200.

The previous prime is 3912611. The next prime is 3912647. The reversal of 3912625 is 5262193.

It can be written as a sum of positive squares in 8 ways, for example, as 3139984 + 772641 = 1772^2 + 879^2 .

It is not a de Polignac number, because 3912625 - 2⁷ = 3912497 is a prime.

It is a Duffinian number.

Its product of digits (3240) is a multiple of the sum of its prime factors (405).

It is a junction number, because it is equal to n+sod(n) for n = 3912593 and 3912602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13987 + ... + 14263.

It is an arithmetic number, because the mean of its divisors is an integer number (308997).

Almost surely, 2^3912625 is an apocalyptic number.

It is an amenable number.

3912625 is a deficient number, since it is larger than the sum of its proper divisors (1031327).

3912625 is a wasteful number, since it uses less digits than its factorization.

3912625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 395 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 3912625 is about 1978.0356417416. The cubic root of 3912625 is about 157.5757593035.

The spelling of 3912625 in words is "three million, nine hundred twelve thousand, six hundred twenty-five".