104303440 has 20 divisors (see below), whose sum is σ = 242505684. Its totient is φ = 41721344.

The previous prime is 104303411. The next prime is 104303447. The reversal of 104303440 is 44303401.

It can be written as a sum of positive squares in 2 ways, for example, as 38887696 + 65415744 = 6236^2 + 8088^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104303447) 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 3 ways as a sum of consecutive naturals, for example, 651817 + ... + 651976.

Almost surely, 2^104303440 is an apocalyptic number.

104303440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104303440 is an abundant number, since it is smaller than the sum of its proper divisors (138202244).

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

104303440 is a wasteful number, since it uses less digits than its factorization.

104303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303806 (or 1303800 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 104303440 is about 10212.9055611026. The cubic root of 104303440 is about 470.7238581893.

Adding to 104303440 its reverse (44303401), we get a palindrome (148606841).

The spelling of 104303440 in words is "one hundred four million, three hundred three thousand, four hundred forty".