104789988 has 18 divisors (see below), whose sum is σ = 264885894. Its totient is φ = 34929984.

The previous prime is 104789953. The next prime is 104790019. The reversal of 104789988 is 889987401.

104789988 is a `hidden beast` number, since 1 + 0 + 478 + 99 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85710564 + 19079424 = 9258^2 + 4368^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1455381 + ... + 1455452.

It is an arithmetic number, because the mean of its divisors is an integer number (14715883).

Almost surely, 2^104789988 is an apocalyptic number.

104789988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

104789988 is an abundant number, since it is smaller than the sum of its proper divisors (160095906).

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

104789988 is a wasteful number, since it uses less digits than its factorization.

104789988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910843 (or 2910838 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 104789988 is about 10236.6981004619. The cubic root of 104789988 is about 471.4546571949.

The spelling of 104789988 in words is "one hundred four million, seven hundred eighty-nine thousand, nine hundred eighty-eight".