104992728 has 32 divisors (see below), whose sum is σ = 262737600. Its totient is φ = 34963488.

The previous prime is 104992709. The next prime is 104992729. The reversal of 104992728 is 827299401.

It is a super-2 number, since 2×104992728² = 22046945865763968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104992728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104992729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40083 + ... + 42621.

It is an arithmetic number, because the mean of its divisors is an integer number (8210550).

Almost surely, 2^104992728 is an apocalyptic number.

It is an amenable number.

104992728 is an abundant number, since it is smaller than the sum of its proper divisors (157744872).

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

104992728 is a wasteful number, since it uses less digits than its factorization.

104992728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 104992728 is about 10246.5959225491. The cubic root of 104992728 is about 471.7585066467.

The spelling of 104992728 in words is "one hundred four million, nine hundred ninety-two thousand, seven hundred twenty-eight".