104657 has 4 divisors (see below), whose sum is σ = 119616. Its totient is φ = 89700.

The previous prime is 104651. The next prime is 104659. The reversal of 104657 is 756401.

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: 756401 = 23 ⋅32887.

It is a cyclic number.

It is not a de Polignac number, because 104657 - 2⁶ = 104593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104651) 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, 7469 + ... + 7482.

It is an arithmetic number, because the mean of its divisors is an integer number (29904).

2¹⁰⁴⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

104657 is a deficient number, since it is larger than the sum of its proper divisors (14959).

104657 is an equidigital number, since it uses as much as digits as its factorization.

104657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14958.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 104657 is about 323.5073414932. The cubic root of 104657 is about 47.1255133192.

The spelling of 104657 in words is "one hundred four thousand, six hundred fifty-seven".