104432388 has 12 divisors (see below), whose sum is σ = 243675600. Its totient is φ = 34810792.

The previous prime is 104432387. The next prime is 104432399. The reversal of 104432388 is 883234401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×104432388² = 21812247326765088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104432381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4351338 + ... + 4351361.

It is an arithmetic number, because the mean of its divisors is an integer number (20306300).

Almost surely, 2^104432388 is an apocalyptic number.

It is an amenable number.

104432388 is an abundant number, since it is smaller than the sum of its proper divisors (139243212).

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

104432388 is a wasteful number, since it uses less digits than its factorization.

104432388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702706 (or 8702704 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 104432388 is about 10219.2166040260. The cubic root of 104432388 is about 470.9177600832.

Adding to 104432388 its reverse (883234401), we get a palindrome (987666789).

The spelling of 104432388 in words is "one hundred four million, four hundred thirty-two thousand, three hundred eighty-eight".