997299336 has 64 divisors (see below), whose sum is σ = 2729401920. Its totient is φ = 301157120.

The previous prime is 997299319. The next prime is 997299353. The reversal of 997299336 is 633992799.

It is an interprime number because it is at equal distance from previous prime (997299319) and next prime (997299353).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70906 + ... + 83798.

It is an arithmetic number, because the mean of its divisors is an integer number (42646905).

Almost surely, 2^997299336 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 997299336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364700960).

997299336 is an abundant number, since it is smaller than the sum of its proper divisors (1732102584).

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

997299336 is a wasteful number, since it uses less digits than its factorization.

997299336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206 (or 13202 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 57.

The square root of 997299336 is about 31580.0464850830. The cubic root of 997299336 is about 999.0989670501.

The spelling of 997299336 in words is "nine hundred ninety-seven million, two hundred ninety-nine thousand, three hundred thirty-six".