3951586972 has 12 divisors (see below), whose sum is σ = 6915906256. Its totient is φ = 1975613760.

The previous prime is 3951586909. The next prime is 3951586973. The reversal of 3951586972 is 2796851593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3951586973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12772 + ... + 89812.

Almost surely, 2^3951586972 is an apocalyptic number.

It is an amenable number.

3951586972 is a deficient number, since it is larger than the sum of its proper divisors (2964319284).

3951586972 is a wasteful number, since it uses less digits than its factorization.

3951586972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89868 (or 89866 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The square root of 3951586972 is about 62861.6494533829. The cubic root of 3951586972 is about 1580.9707984663.

The spelling of 3951586972 in words is "three billion, nine hundred fifty-one million, five hundred eighty-six thousand, nine hundred seventy-two".