104143992 has 16 divisors (see below), whose sum is σ = 260360040. Its totient is φ = 34714656.

The previous prime is 104143969. The next prime is 104143999. The reversal of 104143992 is 299341401.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104143999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2169643 + ... + 2169690.

Almost surely, 2^104143992 is an apocalyptic number.

104143992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104143992 is an abundant number, since it is smaller than the sum of its proper divisors (156216048).

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

104143992 is a wasteful number, since it uses less digits than its factorization.

104143992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339342 (or 4339338 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 104143992 is about 10205.0963738712. The cubic root of 104143992 is about 470.4838716778.

The spelling of 104143992 in words is "one hundred four million, one hundred forty-three thousand, nine hundred ninety-two".