104213424 has 80 divisors (see below), whose sum is σ = 314876672. Its totient is φ = 29078784.

The previous prime is 104213407. The next prime is 104213441. The reversal of 104213424 is 424312401.

It is an interprime number because it is at equal distance from previous prime (104213407) and next prime (104213441).

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

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 104213424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10842 + ... + 18054.

Almost surely, 2^104213424 is an apocalyptic number.

104213424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104213424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157438336).

104213424 is an abundant number, since it is smaller than the sum of its proper divisors (210663248).

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

104213424 is a wasteful number, since it uses less digits than its factorization.

104213424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274 (or 7268 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 104213424 is about 10208.4976367730. The cubic root of 104213424 is about 470.5884044460.

Adding to 104213424 its reverse (424312401), we get a palindrome (528525825).

The spelling of 104213424 in words is "one hundred four million, two hundred thirteen thousand, four hundred twenty-four".