939023812 has 6 divisors (see below), whose sum is σ = 1643291678. Its totient is φ = 469511904.

The previous prime is 939023801. The next prime is 939023819. The reversal of 939023812 is 218320939.

It can be written as a sum of positive squares in only one way, i.e., 617323716 + 321700096 = 24846^2 + 17936^2 .

It is a super-2 number, since 2×939023812² = 1763531439006022688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (939023819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117377973 + ... + 117377980.

Almost surely, 2^939023812 is an apocalyptic number.

It is an amenable number.

939023812 is a deficient number, since it is larger than the sum of its proper divisors (704267866).

939023812 is a wasteful number, since it uses less digits than its factorization.

939023812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234755957 (or 234755955 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 939023812 is about 30643.4954272518. The cubic root of 939023812 is about 979.2468918999.

The spelling of 939023812 in words is "nine hundred thirty-nine million, twenty-three thousand, eight hundred twelve".