997807296 has 28 divisors (see below), whose sum is σ = 2640032312. Its totient is φ = 332602368.

The previous prime is 997807277. The next prime is 997807297. The reversal of 997807296 is 692708799.

997807296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (997807297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598265 + ... + 2598648.

Almost surely, 2^997807296 is an apocalyptic number.

997807296 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

997807296 is an abundant number, since it is smaller than the sum of its proper divisors (1642225016).

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

997807296 is a wasteful number, since it uses less digits than its factorization.

997807296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196928 (or 5196918 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 997807296 is about 31588.0878813517. The cubic root of 997807296 is about 999.2685637982.

The spelling of 997807296 in words is "nine hundred ninety-seven million, eight hundred seven thousand, two hundred ninety-six".