104631426 has 96 divisors (see below), whose sum is σ = 247665600. Its totient is φ = 33073920.

The previous prime is 104631361. The next prime is 104631431. The reversal of 104631426 is 624136401.

104631426 is a `hidden beast` number, since 1 + 0 + 4 + 631 + 4 + 26 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 104631426.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1175590 + ... + 1175678.

It is an arithmetic number, because the mean of its divisors is an integer number (2579850).

Almost surely, 2^104631426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104631426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123832800).

104631426 is an abundant number, since it is smaller than the sum of its proper divisors (143034174).

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

104631426 is an equidigital number, since it uses as much as digits as its factorization.

104631426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 104631426 is about 10228.9503860367. The cubic root of 104631426 is about 471.2167447399.

Adding to 104631426 its reverse (624136401), we get a palindrome (728767827).

The spelling of 104631426 in words is "one hundred four million, six hundred thirty-one thousand, four hundred twenty-six".