938866220 has 12 divisors (see below), whose sum is σ = 1971619104. Its totient is φ = 375546480.

The previous prime is 938866199. The next prime is 938866223. The reversal of 938866220 is 22668839.

It is not an unprimeable number, because it can be changed into a prime (938866223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23471636 + ... + 23471675.

It is an arithmetic number, because the mean of its divisors is an integer number (164301592).

Almost surely, 2^938866220 is an apocalyptic number.

It is an amenable number.

938866220 is an abundant number, since it is smaller than the sum of its proper divisors (1032752884).

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

938866220 is a wasteful number, since it uses less digits than its factorization.

938866220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46943320 (or 46943318 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 938866220 is about 30640.9239416830. The cubic root of 938866220 is about 979.1921080176.

The spelling of 938866220 in words is "nine hundred thirty-eight million, eight hundred sixty-six thousand, two hundred twenty".