825487344 has 120 divisors (see below), whose sum is σ = 2601690624. Its totient is φ = 242064000.

The previous prime is 825487339. The next prime is 825487361. The reversal of 825487344 is 443784528.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 825487344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40699 + ... + 57509.

Almost surely, 2^825487344 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 825487344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300845312).

825487344 is an abundant number, since it is smaller than the sum of its proper divisors (1776203280).

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

825487344 is a wasteful number, since it uses less digits than its factorization.

825487344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16867 (or 16858 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 825487344 is about 28731.2955503228. The cubic root of 825487344 is about 938.0733678744.

The spelling of 825487344 in words is "eight hundred twenty-five million, four hundred eighty-seven thousand, three hundred forty-four".