104906 has 4 divisors (see below), whose sum is σ = 157362. Its totient is φ = 52452.

The previous prime is 104891. The next prime is 104911. The reversal of 104906 is 609401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609401 = 13 ⋅46877.

It can be written as a sum of positive squares in only one way, i.e., 93025 + 11881 = 305^2 + 109^2 .

It is a super-2 number, since 2×104906² = 22010537672, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 13.

It is an unprimeable number.

104906 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26225 + ... + 26228.

2¹⁰⁴⁹⁰⁶ is an apocalyptic number.

104906 is a deficient number, since it is larger than the sum of its proper divisors (52456).

104906 is an equidigital number, since it uses as much as digits as its factorization.

104906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52455.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 104906 is about 323.8919572944. The cubic root of 104906 is about 47.1628574021.

The spelling of 104906 in words is "one hundred four thousand, nine hundred six".