3925686272 has 24 divisors (see below), whose sum is σ = 7849459800. Its totient is φ = 1962842112.

The previous prime is 3925686269. The next prime is 3925686283. The reversal of 3925686272 is 2726865293.

It is a super-2 number, since 2×3925686272² = 30822025412338515968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3925686272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956372 + ... + 960467.

It is an arithmetic number, because the mean of its divisors is an integer number (327060825).

Almost surely, 2^3925686272 is an apocalyptic number.

3925686272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3925686272 is a deficient number, since it is larger than the sum of its proper divisors (3923773528).

3925686272 is an equidigital number, since it uses as much as digits as its factorization.

3925686272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916861 (or 1916841 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The square root of 3925686272 is about 62655.2972381426. The cubic root of 3925686272 is about 1577.5090633000.

The spelling of 3925686272 in words is "three billion, nine hundred twenty-five million, six hundred eighty-six thousand, two hundred seventy-two".