938228004 has 72 divisors (see below), whose sum is σ = 2717361920. Its totient is φ = 267380352.

The previous prime is 938228003. The next prime is 938228017. The reversal of 938228004 is 400822839.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 938228004.

It is not an unprimeable number, because it can be changed into a prime (938228003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98517 + ... + 107619.

Almost surely, 2^938228004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938228004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358680960).

938228004 is an abundant number, since it is smaller than the sum of its proper divisors (1779133916).

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

938228004 is a wasteful number, since it uses less digits than its factorization.

938228004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9529 (or 9524 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 938228004 is about 30630.5077333041. The cubic root of 938228004 is about 978.9701815722.

The spelling of 938228004 in words is "nine hundred thirty-eight million, two hundred twenty-eight thousand, four".