104400432 has 60 divisors (see below), whose sum is σ = 299319384. Its totient is φ = 33949440.

The previous prime is 104400397. The next prime is 104400437. The reversal of 104400432 is 234004401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (104400437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2938 + ... + 14745.

Almost surely, 2^104400432 is an apocalyptic number.

104400432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104400432 is an abundant number, since it is smaller than the sum of its proper divisors (194918952).

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

104400432 is a wasteful number, since it uses less digits than its factorization.

104400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17738 (or 17729 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104400432 is about 10217.6529594619. The cubic root of 104400432 is about 470.8697220386.

Adding to 104400432 its reverse (234004401), we get a palindrome (338404833).

The spelling of 104400432 in words is "one hundred four million, four hundred thousand, four hundred thirty-two".