9215982 has 24 divisors (see below), whose sum is σ = 20223840. Its totient is φ = 3032640.

The previous prime is 9215971. The next prime is 9216019. The reversal of 9215982 is 2895129.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1819 + ... + 4662.

It is an arithmetic number, because the mean of its divisors is an integer number (842660).

Almost surely, 2^9215982 is an apocalyptic number.

9215982 is an abundant number, since it is smaller than the sum of its proper divisors (11007858).

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

9215982 is a wasteful number, since it uses less digits than its factorization.

9215982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 6565 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 9215982 is about 3035.7835891249. The cubic root of 9215982 is about 209.6591750397.

It can be divided in two parts, 921598 and 2, that added together give a square (921600 = 960²).

The spelling of 9215982 in words is "nine million, two hundred fifteen thousand, nine hundred eighty-two".