997343358 has 16 divisors (see below), whose sum is σ = 2176022016. Its totient is φ = 302225240.

The previous prime is 997343357. The next prime is 997343401. The reversal of 997343358 is 853343799.

It is a self number, because there is not a number n which added to its sum of digits gives 997343358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997343357) 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, 7555566 + ... + 7555697.

It is an arithmetic number, because the mean of its divisors is an integer number (136001376).

Almost surely, 2^997343358 is an apocalyptic number.

997343358 is an abundant number, since it is smaller than the sum of its proper divisors (1178678658).

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

997343358 is a wasteful number, since it uses less digits than its factorization.

997343358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15111279.

The product of its digits is 2449440, while the sum is 51.

The square root of 997343358 is about 31580.7434681326. The cubic root of 997343358 is about 999.1136673131.

The spelling of 997343358 in words is "nine hundred ninety-seven million, three hundred forty-three thousand, three hundred fifty-eight".