104605992 has 80 divisors (see below), whose sum is σ = 295881300. Its totient is φ = 34525440.

The previous prime is 104605967. The next prime is 104605999. The reversal of 104605992 is 299506401.

104605992 is a `hidden beast` number, since 1 + 0 + 4 + 60 + 599 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104162436 + 443556 = 10206^2 + 666^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (104605999) 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 19 ways as a sum of consecutive naturals, for example, 69892 + ... + 71372.

Almost surely, 2^104605992 is an apocalyptic number.

104605992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104605992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147940650).

104605992 is an abundant number, since it is smaller than the sum of its proper divisors (191275308).

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

104605992 is a wasteful number, since it uses less digits than its factorization.

104605992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 104605992 is about 10227.7070744131. The cubic root of 104605992 is about 471.1785602339.

The spelling of 104605992 in words is "one hundred four million, six hundred five thousand, nine hundred ninety-two".