3934090625 has 24 divisors (see below), whose sum is σ = 5010288696. Its totient is φ = 3087760000.

The previous prime is 3934090621. The next prime is 3934090651. The reversal of 3934090625 is 5260904393.

It can be written as a sum of positive squares in 12 ways, for example, as 3669572929 + 264517696 = 60577^2 + 16264^2 .

It is not a de Polignac number, because 3934090625 - 2² = 3934090621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3934090621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153749 + ... + 177501.

It is an arithmetic number, because the mean of its divisors is an integer number (208762029).

Almost surely, 2^3934090625 is an apocalyptic number.

It is an amenable number.

3934090625 is a deficient number, since it is larger than the sum of its proper divisors (1076198071).

3934090625 is an frugal number, since it uses more digits than its factorization.

3934090625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23831 (or 23811 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 3934090625 is about 62722.3295565463. The cubic root of 3934090625 is about 1578.6340040284.

The spelling of 3934090625 in words is "three billion, nine hundred thirty-four million, ninety thousand, six hundred twenty-five".