38981057 has 2 divisors, whose sum is σ = 38981058. Its totient is φ = 38981056.

The previous prime is 38981039. The next prime is 38981077. The reversal of 38981057 is 75018983.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38950081 + 30976 = 6241^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 38981057 - 2⁶ = 38980993 is a prime.

It is not a weakly prime, because it can be changed into another prime (38981077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19490528 + 19490529.

It is an arithmetic number, because the mean of its divisors is an integer number (19490529).

Almost surely, 2^38981057 is an apocalyptic number.

It is an amenable number.

38981057 is a deficient number, since it is larger than the sum of its proper divisors (1).

38981057 is an equidigital number, since it uses as much as digits as its factorization.

38981057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 38981057 is about 6243.4811603784. The cubic root of 38981057 is about 339.0662296673.

The spelling of 38981057 in words is "thirty-eight million, nine hundred eighty-one thousand, fifty-seven".