104840988 has 36 divisors (see below), whose sum is σ = 284569992. Its totient is φ = 29954400.

The previous prime is 104840971. The next prime is 104840999. The reversal of 104840988 is 889048401.

It is a super-2 number, since 2×104840988² = 21983265529632288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88563 + ... + 89738.

It is an arithmetic number, because the mean of its divisors is an integer number (7904722).

Almost surely, 2^104840988 is an apocalyptic number.

It is an amenable number.

104840988 is an abundant number, since it is smaller than the sum of its proper divisors (179729004).

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

104840988 is a wasteful number, since it uses less digits than its factorization.

104840988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178322 (or 178313 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 104840988 is about 10239.1888350592. The cubic root of 104840988 is about 471.5311285206.

The spelling of 104840988 in words is "one hundred four million, eight hundred forty thousand, nine hundred eighty-eight".