9979682 has 4 divisors (see below), whose sum is σ = 14969526. Its totient is φ = 4989840.

The previous prime is 9979681. The next prime is 9979727. The reversal of 9979682 is 2869799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9369721 + 609961 = 3061^2 + 781^2 .

It is a super-2 number, since 2×9979682² = 199188105642248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9979682.

It is not an unprimeable number, because it can be changed into a prime (9979681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494919 + ... + 2494922.

Almost surely, 2^9979682 is an apocalyptic number.

9979682 is a deficient number, since it is larger than the sum of its proper divisors (4989844).

9979682 is a wasteful number, since it uses less digits than its factorization.

9979682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989843.

The product of its digits is 489888, while the sum is 50.

The square root of 9979682 is about 3159.0634688148. The cubic root of 9979682 is about 215.2974573896.

The spelling of 9979682 in words is "nine million, nine hundred seventy-nine thousand, six hundred eighty-two".