997298318 has 8 divisors (see below), whose sum is σ = 1497885048. Its totient is φ = 498003304.

The previous prime is 997298293. The next prime is 997298327. The reversal of 997298318 is 813892799.

997298318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320996 + ... + 324087.

It is an arithmetic number, because the mean of its divisors is an integer number (187235631).

Almost surely, 2^997298318 is an apocalyptic number.

997298318 is a deficient number, since it is larger than the sum of its proper divisors (500586730).

997298318 is a wasteful number, since it uses less digits than its factorization.

997298318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645858.

The product of its digits is 1959552, while the sum is 56.

The square root of 997298318 is about 31580.0303673065. The cubic root of 997298318 is about 999.0986271044.

The spelling of 997298318 in words is "nine hundred ninety-seven million, two hundred ninety-eight thousand, three hundred eighteen".