997298298 has 16 divisors (see below), whose sum is σ = 2216218560. Its totient is φ = 332432748.

The previous prime is 997298293. The next prime is 997298327. The reversal of 997298298 is 892892799.

It is not an unprimeable number, because it can be changed into a prime (997298293) 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, 9234190 + ... + 9234297.

It is an arithmetic number, because the mean of its divisors is an integer number (138513660).

Almost surely, 2^997298298 is an apocalyptic number.

997298298 is an abundant number, since it is smaller than the sum of its proper divisors (1218920262).

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

997298298 is a wasteful number, since it uses less digits than its factorization.

997298298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18468498 (or 18468492 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The square root of 997298298 is about 31580.0300506507. The cubic root of 997298298 is about 999.0986204256.

The spelling of 997298298 in words is "nine hundred ninety-seven million, two hundred ninety-eight thousand, two hundred ninety-eight".