997672498 has 16 divisors (see below), whose sum is σ = 1532257056. Its totient is φ = 486934560.

The previous prime is 997672483. The next prime is 997672499. The reversal of 997672498 is 894276799.

It is not an unprimeable number, because it can be changed into a prime (997672499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210333 + ... + 215023.

It is an arithmetic number, because the mean of its divisors is an integer number (95766066).

Almost surely, 2^997672498 is an apocalyptic number.

997672498 is a deficient number, since it is larger than the sum of its proper divisors (534584558).

997672498 is a wasteful number, since it uses less digits than its factorization.

997672498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209.

The product of its digits is 13716864, while the sum is 61.

The square root of 997672498 is about 31585.9541252120. The cubic root of 997672498 is about 999.2235633021.

The spelling of 997672498 in words is "nine hundred ninety-seven million, six hundred seventy-two thousand, four hundred ninety-eight".