38883631 has 2 divisors, whose sum is σ = 38883632. Its totient is φ = 38883630.

The previous prime is 38883601. The next prime is 38883643. The reversal of 38883631 is 13638883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38883631 - 2⁵ = 38883599 is a prime.

It is a super-2 number, since 2×38883631² = 3023873519488322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38883601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19441815 + 19441816.

It is an arithmetic number, because the mean of its divisors is an integer number (19441816).

Almost surely, 2^38883631 is an apocalyptic number.

38883631 is a deficient number, since it is larger than the sum of its proper divisors (1).

38883631 is an equidigital number, since it uses as much as digits as its factorization.

38883631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 38883631 is about 6235.6740613987. The cubic root of 38883631 is about 338.7835160622.

The spelling of 38883631 in words is "thirty-eight million, eight hundred eighty-three thousand, six hundred thirty-one".