938393868 has 24 divisors (see below), whose sum is σ = 2197672960. Its totient is φ = 311642640.

The previous prime is 938393843. The next prime is 938393891. The reversal of 938393868 is 868393839.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141028 + ... + 147531.

Almost surely, 2^938393868 is an apocalyptic number.

It is an amenable number.

938393868 is an abundant number, since it is smaller than the sum of its proper divisors (1259279092).

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

938393868 is a wasteful number, since it uses less digits than its factorization.

938393868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288837 (or 288835 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 938393868 is about 30633.2151103994. The cubic root of 938393868 is about 979.0278670324.

The spelling of 938393868 in words is "nine hundred thirty-eight million, three hundred ninety-three thousand, eight hundred sixty-eight".