844729312 has 48 divisors (see below), whose sum is σ = 1903299552. Its totient is φ = 361520640.

The previous prime is 844729309. The next prime is 844729321. The reversal of 844729312 is 213927448.

It is a super-2 number, since 2×844729312² = 1427135221103986688, which contains 22 as substring.

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, 188862 + ... + 193282.

It is an arithmetic number, because the mean of its divisors is an integer number (39652074).

Almost surely, 2^844729312 is an apocalyptic number.

It is an amenable number.

844729312 is an abundant number, since it is smaller than the sum of its proper divisors (1058570240).

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

844729312 is a wasteful number, since it uses less digits than its factorization.

844729312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5283 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 844729312 is about 29064.2273594190. The cubic root of 844729312 is about 945.3062329755.

The spelling of 844729312 in words is "eight hundred forty-four million, seven hundred twenty-nine thousand, three hundred twelve".