104019988 has 12 divisors (see below), whose sum is σ = 182299572. Its totient is φ = 51934400.

The previous prime is 104019983. The next prime is 104019989. The reversal of 104019988 is 889910401.

It can be written as a sum of positive squares in 2 ways, for example, as 56520324 + 47499664 = 7518^2 + 6892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104019988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104019983) 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, 15745 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (15191631).

Almost surely, 2^104019988 is an apocalyptic number.

It is an amenable number.

104019988 is a deficient number, since it is larger than the sum of its proper divisors (78279584).

104019988 is a wasteful number, since it uses less digits than its factorization.

104019988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37802 (or 37800 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 104019988 is about 10199.0189724306. The cubic root of 104019988 is about 470.2970628436.

The spelling of 104019988 in words is "one hundred four million, nineteen thousand, nine hundred eighty-eight".