3928235920 has 60 divisors (see below), whose sum is σ = 10624285404. Its totient is φ = 1346822400.

The previous prime is 3928235911. The next prime is 3928235933. The reversal of 3928235920 is 295328293.

It can be written as a sum of positive squares in 2 ways, for example, as 3110962176 + 817273744 = 55776^2 + 28588^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497131 + ... + 504970.

Almost surely, 2^3928235920 is an apocalyptic number.

It is an amenable number.

3928235920 is an abundant number, since it is smaller than the sum of its proper divisors (6696049484).

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

3928235920 is a wasteful number, since it uses less digits than its factorization.

3928235920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002128 (or 1002115 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 3928235920 is about 62675.6405631406. The cubic root of 3928235920 is about 1577.8505086856.

The spelling of 3928235920 in words is "three billion, nine hundred twenty-eight million, two hundred thirty-five thousand, nine hundred twenty".