3992523896 has 8 divisors (see below), whose sum is σ = 7485982320. Its totient is φ = 1996261944.

The previous prime is 3992523893. The next prime is 3992523971. The reversal of 3992523896 is 6983252993.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992523893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249532736 + ... + 249532751.

It is an arithmetic number, because the mean of its divisors is an integer number (935747790).

Almost surely, 2^3992523896 is an apocalyptic number.

It is an amenable number.

3992523896 is a deficient number, since it is larger than the sum of its proper divisors (3493458424).

3992523896 is a wasteful number, since it uses less digits than its factorization.

3992523896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499065493 (or 499065489 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 56.

The square root of 3992523896 is about 63186.4217692377. The cubic root of 3992523896 is about 1586.4114705813.

The spelling of 3992523896 in words is "three billion, nine hundred ninety-two million, five hundred twenty-three thousand, eight hundred ninety-six".