38473931 has 2 divisors, whose sum is σ = 38473932. Its totient is φ = 38473930.

The previous prime is 38473921. The next prime is 38473937. The reversal of 38473931 is 13937483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38473931 - 2²² = 34279627 is a prime.

It is a super-2 number, since 2×38473931² = 2960486733185522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38473937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19236965 + 19236966.

It is an arithmetic number, because the mean of its divisors is an integer number (19236966).

Almost surely, 2^38473931 is an apocalyptic number.

38473931 is a deficient number, since it is larger than the sum of its proper divisors (1).

38473931 is an equidigital number, since it uses as much as digits as its factorization.

38473931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 38473931 is about 6202.7357673852. The cubic root of 38473931 is about 337.5894405843.

The spelling of 38473931 in words is "thirty-eight million, four hundred seventy-three thousand, nine hundred thirty-one".