938129956 has 6 divisors (see below), whose sum is σ = 1641727430. Its totient is φ = 469064976.

The previous prime is 938129953. The next prime is 938129963. The reversal of 938129956 is 659921839.

It can be written as a sum of positive squares in only one way, i.e., 815673600 + 122456356 = 28560^2 + 11066^2 .

It is not an unprimeable number, because it can be changed into a prime (938129953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117266241 + ... + 117266248.

Almost surely, 2^938129956 is an apocalyptic number.

It is an amenable number.

938129956 is a deficient number, since it is larger than the sum of its proper divisors (703597474).

938129956 is a wasteful number, since it uses less digits than its factorization.

938129956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234532493 (or 234532491 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 52.

The square root of 938129956 is about 30628.9071956542. The cubic root of 938129956 is about 978.9360784857.

The spelling of 938129956 in words is "nine hundred thirty-eight million, one hundred twenty-nine thousand, nine hundred fifty-six".