104402320 has 80 divisors (see below), whose sum is σ = 274000320. Its totient is φ = 36646400.

The previous prime is 104402299. The next prime is 104402381. The reversal of 104402320 is 23204401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 104402294 and 104402303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23475 + ... + 27565.

It is an arithmetic number, because the mean of its divisors is an integer number (3425004).

Almost surely, 2^104402320 is an apocalyptic number.

104402320 is a gapful number since it is divisible by the number (10) 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 104402320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137000160).

104402320 is an abundant number, since it is smaller than the sum of its proper divisors (169598000).

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

104402320 is a wasteful number, since it uses less digits than its factorization.

104402320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 104402320 is about 10217.7453481676. The cubic root of 104402320 is about 470.8725604581.

Adding to 104402320 its reverse (23204401), we get a palindrome (127606721).

The spelling of 104402320 in words is "one hundred four million, four hundred two thousand, three hundred twenty".