938836057 has 4 divisors (see below), whose sum is σ = 979655040. Its totient is φ = 898017076.

The previous prime is 938836049. The next prime is 938836069. The reversal of 938836057 is 750638839.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 750638839 = 7219 ⋅103981.

It is a cyclic number.

It is not a de Polignac number, because 938836057 - 2³ = 938836049 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 938836057.

It is not an unprimeable number, because it can be changed into a prime (938836357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20409457 + ... + 20409502.

It is an arithmetic number, because the mean of its divisors is an integer number (244913760).

Almost surely, 2^938836057 is an apocalyptic number.

It is an amenable number.

938836057 is a deficient number, since it is larger than the sum of its proper divisors (40818983).

938836057 is a wasteful number, since it uses less digits than its factorization.

938836057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40818982.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 938836057 is about 30640.4317365144. The cubic root of 938836057 is about 979.1816217214.

The spelling of 938836057 in words is "nine hundred thirty-eight million, eight hundred thirty-six thousand, fifty-seven".