3938893888 has 28 divisors (see below), whose sum is σ = 8156082240. Its totient is φ = 1883818112.

The previous prime is 3938893879. The next prime is 3938893913. The reversal of 3938893888 is 8883988393.

It is a super-3 number, since 3×3938893888³ (a number of 30 digits) contains 333 as substring.

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, 1336468 + ... + 1339411.

Almost surely, 2^3938893888 is an apocalyptic number.

It is an amenable number.

3938893888 is an abundant number, since it is smaller than the sum of its proper divisors (4217188352).

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

3938893888 is a wasteful number, since it uses less digits than its factorization.

3938893888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675914 (or 2675904 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 67.

The square root of 3938893888 is about 62760.6077727104. The cubic root of 3938893888 is about 1579.2762117767.

The spelling of 3938893888 in words is "three billion, nine hundred thirty-eight million, eight hundred ninety-three thousand, eight hundred eighty-eight".