997299337 has 4 divisors (see below), whose sum is σ = 998424576. Its totient is φ = 996174100.

The previous prime is 997299319. The next prime is 997299353. The reversal of 997299337 is 733992799.

997299337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 12893-rd star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733992799 = 17 ⋅43176047.

It is a cyclic number.

It is not a de Polignac number, because 997299337 - 2¹⁹ = 996775049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997299637) 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, 561289 + ... + 563062.

It is an arithmetic number, because the mean of its divisors is an integer number (249606144).

Almost surely, 2^997299337 is an apocalyptic number.

It is an amenable number.

997299337 is a deficient number, since it is larger than the sum of its proper divisors (1125239).

997299337 is a wasteful number, since it uses less digits than its factorization.

997299337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125238.

The product of its digits is 5786802, while the sum is 58.

The square root of 997299337 is about 31580.0465009157. The cubic root of 997299337 is about 999.0989673841.

The spelling of 997299337 in words is "nine hundred ninety-seven million, two hundred ninety-nine thousand, three hundred thirty-seven".