38892131 has 2 divisors, whose sum is σ = 38892132. Its totient is φ = 38892130.

The previous prime is 38892121. The next prime is 38892157. The reversal of 38892131 is 13129883.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38892131 is a prime.

It is a super-2 number, since 2×38892131² = 3025195707442322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38892091 and 38892100.

It is not a weakly prime, because it can be changed into another prime (38892101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19446065 + 19446066.

It is an arithmetic number, because the mean of its divisors is an integer number (19446066).

Almost surely, 2^38892131 is an apocalyptic number.

38892131 is a deficient number, since it is larger than the sum of its proper divisors (1).

38892131 is an equidigital number, since it uses as much as digits as its factorization.

38892131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 38892131 is about 6236.3555863982. The cubic root of 38892131 is about 338.8082004002.

The spelling of 38892131 in words is "thirty-eight million, eight hundred ninety-two thousand, one hundred thirty-one".