38338331 has 2 divisors, whose sum is σ = 38338332. Its totient is φ = 38338330.

The previous prime is 38338303. The next prime is 38338337. The reversal of 38338331 is 13383383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38338331 - 2¹⁸ = 38076187 is a prime.

It is a super-2 number, since 2×38338331² = 2939655247731122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38338337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19169165 + 19169166.

It is an arithmetic number, because the mean of its divisors is an integer number (19169166).

Almost surely, 2^38338331 is an apocalyptic number.

38338331 is a deficient number, since it is larger than the sum of its proper divisors (1).

38338331 is an equidigital number, since it uses as much as digits as its factorization.

38338331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 38338331 is about 6191.7954585080. The cubic root of 38338331 is about 337.1923664057.

The spelling of 38338331 in words is "thirty-eight million, three hundred thirty-eight thousand, three hundred thirty-one".