104212644 has 96 divisors (see below), whose sum is σ = 266649600. Its totient is φ = 31570560.

The previous prime is 104212597. The next prime is 104212651. The reversal of 104212644 is 446212401.

It is a happy number.

It is a super-3 number, since 3×104212644³ (a number of 25 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 820509 + ... + 820635.

It is an arithmetic number, because the mean of its divisors is an integer number (2777600).

Almost surely, 2^104212644 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 104212644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133324800).

104212644 is an abundant number, since it is smaller than the sum of its proper divisors (162436956).

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

104212644 is a wasteful number, since it uses less digits than its factorization.

104212644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 104212644 is about 10208.4594332348. The cubic root of 104212644 is about 470.5872303814.

The spelling of 104212644 in words is "one hundred four million, two hundred twelve thousand, six hundred forty-four".