9715998 has 16 divisors (see below), whose sum is σ = 19625616. Its totient is φ = 3206400.

The previous prime is 9715991. The next prime is 9716017. The reversal of 9715998 is 8995179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9715991) 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, 7411 + ... + 8622.

It is an arithmetic number, because the mean of its divisors is an integer number (1226601).

Almost surely, 2^9715998 is an apocalyptic number.

9715998 is an abundant number, since it is smaller than the sum of its proper divisors (9909618).

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

9715998 is a wasteful number, since it uses less digits than its factorization.

9715998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16139.

The product of its digits is 204120, while the sum is 48.

The square root of 9715998 is about 3117.0495664971. The cubic root of 9715998 is about 213.3843047693.

The spelling of 9715998 in words is "nine million, seven hundred fifteen thousand, nine hundred ninety-eight".