104434421 has 32 divisors (see below), whose sum is σ = 137507328. Its totient is φ = 77045760.

The previous prime is 104434399. The next prime is 104434427. The reversal of 104434421 is 124434401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 104434421 - 2⁶ = 104434357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104434427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85205 + ... + 86421.

It is an arithmetic number, because the mean of its divisors is an integer number (4297104).

Almost surely, 2^104434421 is an apocalyptic number.

It is an amenable number.

104434421 is a deficient number, since it is larger than the sum of its proper divisors (33072907).

104434421 is a wasteful number, since it uses less digits than its factorization.

104434421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 104434421 is about 10219.3160730061. The cubic root of 104434421 is about 470.9208158708.

Adding to 104434421 its reverse (124434401), we get a palindrome (228868822).

The spelling of 104434421 in words is "one hundred four million, four hundred thirty-four thousand, four hundred twenty-one".