104640396 has 24 divisors (see below), whose sum is σ = 279041280. Its totient is φ = 29897232.

The previous prime is 104640383. The next prime is 104640397. The reversal of 104640396 is 693046401.

It is a super-2 number, since 2×104640396² = 21899224950073632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104640397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622776 + ... + 622943.

It is an arithmetic number, because the mean of its divisors is an integer number (11626720).

Almost surely, 2^104640396 is an apocalyptic number.

It is an amenable number.

104640396 is an abundant number, since it is smaller than the sum of its proper divisors (174400884).

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

104640396 is a wasteful number, since it uses less digits than its factorization.

104640396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245733 (or 1245731 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 104640396 is about 10229.3888380489. The cubic root of 104640396 is about 471.2302100806.

Adding to 104640396 its reverse (693046401), we get a palindrome (797686797).

The spelling of 104640396 in words is "one hundred four million, six hundred forty thousand, three hundred ninety-six".