938795221 has 32 divisors (see below), whose sum is σ = 1223228160. Its totient is φ = 700406784.

The previous prime is 938795213. The next prime is 938795239. The reversal of 938795221 is 122597839.

It is not a de Polignac number, because 938795221 - 2³ = 938795213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938795281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109341 + ... + 117613.

It is an arithmetic number, because the mean of its divisors is an integer number (38225880).

Almost surely, 2^938795221 is an apocalyptic number.

938795221 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

938795221 is a deficient number, since it is larger than the sum of its proper divisors (284432939).

938795221 is a wasteful number, since it uses less digits than its factorization.

938795221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8365.

The product of its digits is 272160, while the sum is 46.

The square root of 938795221 is about 30639.7653548457. The cubic root of 938795221 is about 979.1674245531.

The spelling of 938795221 in words is "nine hundred thirty-eight million, seven hundred ninety-five thousand, two hundred twenty-one".