3921526396 has 12 divisors (see below), whose sum is σ = 6915058920. Its totient is φ = 1945795280.

The previous prime is 3921526373. The next prime is 3921526417. The reversal of 3921526396 is 6936251293.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3741391 + ... + 3742438.

It is an arithmetic number, because the mean of its divisors is an integer number (576254910).

Almost surely, 2^3921526396 is an apocalyptic number.

It is an amenable number.

3921526396 is a deficient number, since it is larger than the sum of its proper divisors (2993532524).

3921526396 is a wasteful number, since it uses less digits than its factorization.

3921526396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7483964 (or 7483962 counting only the distinct ones).

The product of its digits is 524880, while the sum is 46.

The square root of 3921526396 is about 62622.0919165114. The cubic root of 3921526396 is about 1576.9516608563.

The spelling of 3921526396 in words is "three billion, nine hundred twenty-one million, five hundred twenty-six thousand, three hundred ninety-six".