104002404 has 72 divisors (see below), whose sum is σ = 273401184. Its totient is φ = 30729600.

The previous prime is 104002397. The next prime is 104002421. The reversal of 104002404 is 404200401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58659 + ... + 60405.

Almost surely, 2^104002404 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 104002404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136700592).

104002404 is an abundant number, since it is smaller than the sum of its proper divisors (169398780).

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

104002404 is a wasteful number, since it uses less digits than its factorization.

104002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 104002404 is about 10198.1568923017. The cubic root of 104002404 is about 470.2705609833.

Adding to 104002404 its reverse (404200401), we get a palindrome (508202805).

The spelling of 104002404 in words is "one hundred four million, two thousand, four hundred four".