938221056 has 120 divisors (see below), whose sum is σ = 2808429624. Its totient is φ = 312698880.

The previous prime is 938221049. The next prime is 938221061. The reversal of 938221056 is 650122839.

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 938221056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120646 + ... + 128186.

Almost surely, 2^938221056 is an apocalyptic number.

938221056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938221056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404214812).

938221056 is an abundant number, since it is smaller than the sum of its proper divisors (1870208568).

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

938221056 is an frugal number, since it uses more digits than its factorization.

938221056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574 (or 7546 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 938221056 is about 30630.3943167567. The cubic root of 938221056 is about 978.9677649948.

The spelling of 938221056 in words is "nine hundred thirty-eight million, two hundred twenty-one thousand, fifty-six".