104400660 has 96 divisors (see below), whose sum is σ = 359799552. Its totient is φ = 22026240.

The previous prime is 104400629. The next prime is 104400661. The reversal of 104400660 is 66004401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104400661) 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 31 ways as a sum of consecutive naturals, for example, 4101 + ... + 15020.

It is an arithmetic number, because the mean of its divisors is an integer number (3747912).

Almost surely, 2^104400660 is an apocalyptic number.

104400660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104400660 is an abundant number, since it is smaller than the sum of its proper divisors (255398892).

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

104400660 is a wasteful number, since it uses less digits than its factorization.

104400660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19153 (or 19151 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 104400660 is about 10217.6641166169. The cubic root of 104400660 is about 470.8700648156.

The spelling of 104400660 in words is "one hundred four million, four hundred thousand, six hundred sixty".