9983690 has 16 divisors (see below), whose sum is σ = 18021960. Its totient is φ = 3982080.

The previous prime is 9983689. The next prime is 9983707. The reversal of 9983690 is 963899.

It can be written as a sum of positive squares in 4 ways, for example, as 8059921 + 1923769 = 2839^2 + 1387^2 .

It is a super-2 number, since 2×9983690² = 199348132032200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870 + ... + 5310.

Almost surely, 2^9983690 is an apocalyptic number.

9983690 is a deficient number, since it is larger than the sum of its proper divisors (8038270).

9983690 is a wasteful number, since it uses less digits than its factorization.

9983690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9983690 is about 3159.6977703572. The cubic root of 9983690 is about 215.3262758334.

The spelling of 9983690 in words is "nine million, nine hundred eighty-three thousand, six hundred ninety".