104431730 has 64 divisors (see below), whose sum is σ = 215550720. Its totient is φ = 36132096.

The previous prime is 104431729. The next prime is 104431739. The reversal of 104431730 is 37134401.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 104431696 and 104431705.

It is not an unprimeable number, because it can be changed into a prime (104431739) 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, 158141 + ... + 158799.

It is an arithmetic number, because the mean of its divisors is an integer number (3367980).

Almost surely, 2^104431730 is an apocalyptic number.

104431730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104431730 is an abundant number, since it is smaller than the sum of its proper divisors (111118990).

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

104431730 is a wasteful number, since it uses less digits than its factorization.

104431730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 104431730 is about 10219.1844097266. The cubic root of 104431730 is about 470.9167710397.

The spelling of 104431730 in words is "one hundred four million, four hundred thirty-one thousand, seven hundred thirty".