938146657 has 8 divisors (see below), whose sum is σ = 1073756736. Its totient is φ = 802933872.

The previous prime is 938146639. The next prime is 938146661. The reversal of 938146657 is 756641839.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 938146657 - 2¹⁵ = 938113889 is a prime.

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 938146657.

It is not an unprimeable number, because it can be changed into a prime (938146687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94243 + ... + 103720.

It is an arithmetic number, because the mean of its divisors is an integer number (134219592).

Almost surely, 2^938146657 is an apocalyptic number.

It is an amenable number.

938146657 is a deficient number, since it is larger than the sum of its proper divisors (135610079).

938146657 is a wasteful number, since it uses less digits than its factorization.

938146657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198647.

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

The square root of 938146657 is about 30629.1798290454. The cubic root of 938146657 is about 978.9418876007.

The spelling of 938146657 in words is "nine hundred thirty-eight million, one hundred forty-six thousand, six hundred fifty-seven".