997196354 has 64 divisors (see below), whose sum is σ = 1922918400. Its totient is φ = 384446160.

The previous prime is 997196329. The next prime is 997196371. The reversal of 997196354 is 453691799.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 997196296 and 997196305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776597 + ... + 777879.

It is an arithmetic number, because the mean of its divisors is an integer number (30045600).

Almost surely, 2^997196354 is an apocalyptic number.

997196354 is a deficient number, since it is larger than the sum of its proper divisors (925722046).

997196354 is a wasteful number, since it uses less digits than its factorization.

997196354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1406 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 53.

The square root of 997196354 is about 31578.4159514058. The cubic root of 997196354 is about 999.0645765892.

The spelling of 997196354 in words is "nine hundred ninety-seven million, one hundred ninety-six thousand, three hundred fifty-four".