938235644 has 24 divisors (see below), whose sum is σ = 1740256560. Its totient is φ = 441075456.

The previous prime is 938235643. The next prime is 938235647. The reversal of 938235644 is 446532839.

It is a super-2 number, since 2×938235644² = 1760572247344189472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 938235595 and 938235604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938235643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66239 + ... + 79145.

It is an arithmetic number, because the mean of its divisors is an integer number (72510690).

Almost surely, 2^938235644 is an apocalyptic number.

It is an amenable number.

938235644 is a deficient number, since it is larger than the sum of its proper divisors (802020916).

938235644 is a wasteful number, since it uses less digits than its factorization.

938235644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13997 (or 13995 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 938235644 is about 30630.6324453153. The cubic root of 938235644 is about 978.9728388196.

The spelling of 938235644 in words is "nine hundred thirty-eight million, two hundred thirty-five thousand, six hundred forty-four".