3971524026 has 16 divisors (see below), whose sum is σ = 8061601824. Its totient is φ = 1304082384.

The previous prime is 3971523991. The next prime is 3971524031. The reversal of 3971524026 is 6204251793.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4939305 + ... + 4940108.

It is an arithmetic number, because the mean of its divisors is an integer number (503850114).

Almost surely, 2^3971524026 is an apocalyptic number.

3971524026 is an abundant number, since it is smaller than the sum of its proper divisors (4090077798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3971524026 is a wasteful number, since it uses less digits than its factorization.

3971524026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879485.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 3971524026 is about 63020.0287686383. The cubic root of 3971524026 is about 1583.6251783457.

The spelling of 3971524026 in words is "three billion, nine hundred seventy-one million, five hundred twenty-four thousand, twenty-six".