104728816 has 20 divisors (see below), whose sum is σ = 203524672. Its totient is φ = 52206336.

The previous prime is 104728807. The next prime is 104728843. The reversal of 104728816 is 618827401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4320 + ... + 15103.

Almost surely, 2^104728816 is an apocalyptic number.

104728816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

104728816 is a deficient number, since it is larger than the sum of its proper divisors (98795856).

104728816 is a wasteful number, since it uses less digits than its factorization.

104728816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19768 (or 19762 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 104728816 is about 10233.7097867782. The cubic root of 104728816 is about 471.3629008529.

The spelling of 104728816 in words is "one hundred four million, seven hundred twenty-eight thousand, eight hundred sixteen".