104021316 has 108 divisors (see below), whose sum is σ = 309248940. Its totient is φ = 29393280.

The previous prime is 104021311. The next prime is 104021329. The reversal of 104021316 is 613120401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57153600 + 46867716 = 7560^2 + 6846^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (104021311) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 192006 + ... + 192546.

Almost surely, 2^104021316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104021316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154624470).

104021316 is an abundant number, since it is smaller than the sum of its proper divisors (205227624).

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

104021316 is a wasteful number, since it uses less digits than its factorization.

104021316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 104021316 is about 10199.0840765237. The cubic root of 104021316 is about 470.2990642277.

Adding to 104021316 its reverse (613120401), we get a palindrome (717141717).

The spelling of 104021316 in words is "one hundred four million, twenty-one thousand, three hundred sixteen".