38112791 has 2 divisors, whose sum is σ = 38112792. Its totient is φ = 38112790.

The previous prime is 38112787. The next prime is 38112797. The reversal of 38112791 is 19721183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38112791 - 2² = 38112787 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38112797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19056395 + 19056396.

It is an arithmetic number, because the mean of its divisors is an integer number (19056396).

Almost surely, 2^38112791 is an apocalyptic number.

38112791 is a deficient number, since it is larger than the sum of its proper divisors (1).

38112791 is an equidigital number, since it uses as much as digits as its factorization.

38112791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The square root of 38112791 is about 6173.5557825292. Note that the first 3 decimals coincide. The cubic root of 38112791 is about 336.5298441944.

The spelling of 38112791 in words is "thirty-eight million, one hundred twelve thousand, seven hundred ninety-one".