104407728 has 20 divisors (see below), whose sum is σ = 269720088. Its totient is φ = 34802560.

The previous prime is 104407703. The next prime is 104407729. The reversal of 104407728 is 827704401.

It is a super-2 number, since 2×104407728² = 21801947332243968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104407729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087533 + ... + 1087628.

Almost surely, 2^104407728 is an apocalyptic number.

It is an amenable number.

104407728 is an abundant number, since it is smaller than the sum of its proper divisors (165312360).

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

104407728 is a wasteful number, since it uses less digits than its factorization.

104407728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175172 (or 2175166 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 104407728 is about 10218.0099823792. The cubic root of 104407728 is about 470.8806906569.

The spelling of 104407728 in words is "one hundred four million, four hundred seven thousand, seven hundred twenty-eight".