104638900 has 18 divisors (see below), whose sum is σ = 227066630. Its totient is φ = 41855520.

The previous prime is 104638889. The next prime is 104638903. The reversal of 104638900 is 9836401.

It can be written as a sum of positive squares in 3 ways, for example, as 27269284 + 77369616 = 5222^2 + 8796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104638903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 523095 + ... + 523294.

Almost surely, 2^104638900 is an apocalyptic number.

104638900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104638900 is an abundant number, since it is smaller than the sum of its proper divisors (122427730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104638900 is a wasteful number, since it uses less digits than its factorization.

104638900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046403 (or 1046396 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 104638900 is about 10229.3157151395. The cubic root of 104638900 is about 471.2279644095.

The spelling of 104638900 in words is "one hundred four million, six hundred thirty-eight thousand, nine hundred".