104321406 has 32 divisors (see below), whose sum is σ = 238752000. Its totient is φ = 29768256.

The previous prime is 104321377. The next prime is 104321411. The reversal of 104321406 is 604123401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62130 + ... + 63786.

It is an arithmetic number, because the mean of its divisors is an integer number (7461000).

Almost surely, 2^104321406 is an apocalyptic number.

104321406 is an abundant number, since it is smaller than the sum of its proper divisors (134430594).

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

104321406 is a wasteful number, since it uses less digits than its factorization.

104321406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 104321406 is about 10213.7850966231. The cubic root of 104321406 is about 470.7508836301.

Adding to 104321406 its reverse (604123401), we get a palindrome (708444807).

The spelling of 104321406 in words is "one hundred four million, three hundred twenty-one thousand, four hundred six".