844890488 has 48 divisors (see below), whose sum is σ = 1755416520. Its totient is φ = 380854656.

The previous prime is 844890479. The next prime is 844890547. The reversal of 844890488 is 884098448.

It is a Cunningham number, because it is equal to 29067²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50870 + ... + 65402.

Almost surely, 2^844890488 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 844890488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877708260).

844890488 is an abundant number, since it is smaller than the sum of its proper divisors (910526032).

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

844890488 is a wasteful number, since it uses less digits than its factorization.

844890488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608 (or 14591 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 53.

The square root of 844890488 is about 29066.9999827984. Note that the first 4 decimals coincide. The cubic root of 844890488 is about 945.3663512430.

The spelling of 844890488 in words is "eight hundred forty-four million, eight hundred ninety thousand, four hundred eighty-eight".