3975726956 has 12 divisors (see below), whose sum is σ = 6988723392. Its totient is φ = 1978948848.

The previous prime is 3975726929. The next prime is 3975726961. The reversal of 3975726956 is 6596275793.

It is a junction number, because it is equal to n+sod(n) for n = 3975726895 and 3975726904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227655 + ... + 2229438.

It is an arithmetic number, because the mean of its divisors is an integer number (582393616).

Almost surely, 2^3975726956 is an apocalyptic number.

It is an amenable number.

3975726956 is a deficient number, since it is larger than the sum of its proper divisors (3012996436).

3975726956 is a wasteful number, since it uses less digits than its factorization.

3975726956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457320 (or 4457318 counting only the distinct ones).

The product of its digits is 21432600, while the sum is 59.

The square root of 3975726956 is about 63053.3659371171. The cubic root of 3975726956 is about 1584.1836137821.

The spelling of 3975726956 in words is "three billion, nine hundred seventy-five million, seven hundred twenty-six thousand, nine hundred fifty-six".