104363640 has 128 divisors (see below), whose sum is σ = 352468800. Its totient is φ = 27806976.

The previous prime is 104363593. The next prime is 104363653. The reversal of 104363640 is 46363401.

104363640 is a `hidden beast` number, since 10 + 4 + 3 + 6 + 3 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86884 + ... + 88076.

Almost surely, 2^104363640 is an apocalyptic number.

104363640 is a gapful number since it is divisible by the number (10) 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 104363640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176234400).

104363640 is an abundant number, since it is smaller than the sum of its proper divisors (248105160).

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

104363640 is an equidigital number, since it uses as much as digits as its factorization.

104363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 104363640 is about 10215.8523873439. The cubic root of 104363640 is about 470.8144021069.

The spelling of 104363640 in words is "one hundred four million, three hundred sixty-three thousand, six hundred forty".