38485231 has 2 divisors, whose sum is σ = 38485232. Its totient is φ = 38485230.

The previous prime is 38485211. The next prime is 38485243. The reversal of 38485231 is 13258483.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38485231 - 2⁷ = 38485103 is a prime.

It is a super-2 number, since 2×38485231² = 2962226010246722, which contains 22 as substring.

It is equal to p_2346892 and since 38485231 and 2346892 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38485211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19242615 + 19242616.

It is an arithmetic number, because the mean of its divisors is an integer number (19242616).

Almost surely, 2^38485231 is an apocalyptic number.

38485231 is a deficient number, since it is larger than the sum of its proper divisors (1).

38485231 is an equidigital number, since it uses as much as digits as its factorization.

38485231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 38485231 is about 6203.6465889024. The cubic root of 38485231 is about 337.6224879592.

The spelling of 38485231 in words is "thirty-eight million, four hundred eighty-five thousand, two hundred thirty-one".