104431194 has 48 divisors (see below), whose sum is σ = 268177728. Its totient is φ = 29836512.

The previous prime is 104431193. The next prime is 104431213. The reversal of 104431194 is 491134401.

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

It is not an unprimeable number, because it can be changed into a prime (104431193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11947 + ... + 18750.

It is an arithmetic number, because the mean of its divisors is an integer number (5587036).

Almost surely, 2^104431194 is an apocalyptic number.

104431194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

104431194 is an abundant number, since it is smaller than the sum of its proper divisors (163746534).

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

104431194 is an equidigital number, since it uses as much as digits as its factorization.

104431194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30721 (or 30709 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 104431194 is about 10219.1581845082. The cubic root of 104431194 is about 470.9159653720.

Adding to 104431194 its reverse (491134401), we get a palindrome (595565595).

The spelling of 104431194 in words is "one hundred four million, four hundred thirty-one thousand, one hundred ninety-four".