912997632 has 72 divisors (see below), whose sum is σ = 2441075616. Its totient is φ = 302934016.

The previous prime is 912997601. The next prime is 912997637. The reversal of 912997632 is 236799219.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912997637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171718 + ... + 176954.

It is an arithmetic number, because the mean of its divisors is an integer number (33903828).

Almost surely, 2^912997632 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 912997632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220537808).

912997632 is an abundant number, since it is smaller than the sum of its proper divisors (1528077984).

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

912997632 is a wasteful number, since it uses less digits than its factorization.

912997632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483 (or 5469 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 912997632 is about 30215.8506747700. The cubic root of 912997632 is about 970.1149939837.

The spelling of 912997632 in words is "nine hundred twelve million, nine hundred ninety-seven thousand, six hundred thirty-two".