824972912 has 20 divisors (see below), whose sum is σ = 1599458640. Its totient is φ = 412209408.

The previous prime is 824972909. The next prime is 824972933. The reversal of 824972912 is 219279428.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8408 + ... + 41480.

It is an arithmetic number, because the mean of its divisors is an integer number (79972932).

Almost surely, 2^824972912 is an apocalyptic number.

It is an amenable number.

824972912 is a deficient number, since it is larger than the sum of its proper divisors (774485728).

824972912 is a wasteful number, since it uses less digits than its factorization.

824972912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34640 (or 34634 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 824972912 is about 28722.3416872650. The cubic root of 824972912 is about 937.8784627106.

The spelling of 824972912 in words is "eight hundred twenty-four million, nine hundred seventy-two thousand, nine hundred twelve".