104403906 has 48 divisors (see below), whose sum is σ = 230630400. Its totient is φ = 34128864.

The previous prime is 104403869. The next prime is 104403907. The reversal of 104403906 is 609304401.

It is a self number, because there is not a number n which added to its sum of digits gives 104403906.

It is not an unprimeable number, because it can be changed into a prime (104403907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248965 + ... + 249383.

It is an arithmetic number, because the mean of its divisors is an integer number (4804800).

Almost surely, 2^104403906 is an apocalyptic number.

104403906 is an abundant number, since it is smaller than the sum of its proper divisors (126226494).

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

104403906 is a wasteful number, since it uses less digits than its factorization.

104403906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 104403906 is about 10217.8229579495. The cubic root of 104403906 is about 470.8749448243.

The spelling of 104403906 in words is "one hundred four million, four hundred three thousand, nine hundred six".