104031640 has 32 divisors (see below), whose sum is σ = 234376560. Its totient is φ = 41558400.

The previous prime is 104031623. The next prime is 104031661. The reversal of 104031640 is 46130401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45730 + ... + 47950.

Almost surely, 2^104031640 is an apocalyptic number.

104031640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104031640 is an abundant number, since it is smaller than the sum of its proper divisors (130344920).

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

104031640 is a wasteful number, since it uses less digits than its factorization.

104031640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403 (or 3399 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 104031640 is about 10199.5901878458. The cubic root of 104031640 is about 470.3146225994.

The spelling of 104031640 in words is "one hundred four million, thirty-one thousand, six hundred forty".