38857073 has 2 divisors, whose sum is σ = 38857074. Its totient is φ = 38857072.

The previous prime is 38857069. The next prime is 38857099. The reversal of 38857073 is 37075883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29899024 + 8958049 = 5468^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 38857073 - 2² = 38857069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38857073.

It is not a weakly prime, because it can be changed into another prime (38857573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19428536 + 19428537.

It is an arithmetic number, because the mean of its divisors is an integer number (19428537).

Almost surely, 2^38857073 is an apocalyptic number.

It is an amenable number.

38857073 is a deficient number, since it is larger than the sum of its proper divisors (1).

38857073 is an equidigital number, since it uses as much as digits as its factorization.

38857073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 38857073 is about 6233.5441764698. The cubic root of 38857073 is about 338.7063673871.

The spelling of 38857073 in words is "thirty-eight million, eight hundred fifty-seven thousand, seventy-three".