844885104 has 80 divisors (see below), whose sum is σ = 2518743552. Its totient is φ = 239042304.

The previous prime is 844885087. The next prime is 844885109. The reversal of 844885104 is 401588448.

It is a super-2 number, since 2×844885104² = 1427661677922181632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844885109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22402 + ... + 46814.

Almost surely, 2^844885104 is an apocalyptic number.

844885104 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844885104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259371776).

844885104 is an abundant number, since it is smaller than the sum of its proper divisors (1673858448).

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

844885104 is a wasteful number, since it uses less digits than its factorization.

844885104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24534 (or 24528 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The square root of 844885104 is about 29066.9073690339. The cubic root of 844885104 is about 945.3643431471.

The spelling of 844885104 in words is "eight hundred forty-four million, eight hundred eighty-five thousand, one hundred four".