997994232 has 48 divisors (see below), whose sum is σ = 2719515240. Its totient is φ = 330619968.

The previous prime is 997994177. The next prime is 997994233. The reversal of 997994232 is 232499799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997994233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30783 + ... + 54254.

Almost surely, 2^997994232 is an apocalyptic number.

It is an amenable number.

997994232 is an abundant number, since it is smaller than the sum of its proper divisors (1721521008).

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

997994232 is a wasteful number, since it uses less digits than its factorization.

997994232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85212 (or 85205 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 997994232 is about 31591.0467063059. The cubic root of 997994232 is about 999.3309631562.

The spelling of 997994232 in words is "nine hundred ninety-seven million, nine hundred ninety-four thousand, two hundred thirty-two".