3899724812 has 6 divisors (see below), whose sum is σ = 6824518428. Its totient is φ = 1949862404.

The previous prime is 3899724811. The next prime is 3899724817. The reversal of 3899724812 is 2184279983.

It is not an unprimeable number, because it can be changed into a prime (3899724811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487465598 + ... + 487465605.

It is an arithmetic number, because the mean of its divisors is an integer number (1137419738).

Almost surely, 2^3899724812 is an apocalyptic number.

It is an amenable number.

3899724812 is a deficient number, since it is larger than the sum of its proper divisors (2924793616).

3899724812 is a wasteful number, since it uses less digits than its factorization.

3899724812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974931207 (or 974931205 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 3899724812 is about 62447.7766777969. The cubic root of 3899724812 is about 1574.0238933097.

The spelling of 3899724812 in words is "three billion, eight hundred ninety-nine million, seven hundred twenty-four thousand, eight hundred twelve".