104643312 has 40 divisors (see below), whose sum is σ = 270972240. Its totient is φ = 34798080.

The previous prime is 104643293. The next prime is 104643323. The reversal of 104643312 is 213346401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19764 + ... + 24492.

It is an arithmetic number, because the mean of its divisors is an integer number (6774306).

Almost surely, 2^104643312 is an apocalyptic number.

104643312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104643312 is an abundant number, since it is smaller than the sum of its proper divisors (166328928).

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

104643312 is a wasteful number, since it uses less digits than its factorization.

104643312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201 (or 5195 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 104643312 is about 10229.5313675652. The cubic root of 104643312 is about 471.2345872765.

Adding to 104643312 its reverse (213346401), we get a palindrome (317989713).

The spelling of 104643312 in words is "one hundred four million, six hundred forty-three thousand, three hundred twelve".