9983691 has 12 divisors (see below), whose sum is σ = 14449968. Its totient is φ = 6642384.

The previous prime is 9983689. The next prime is 9983707. The reversal of 9983691 is 1963899.

9983691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9983691 - 2¹ = 9983689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9983591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5941 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (1204164).

Almost surely, 2^9983691 is an apocalyptic number.

9983691 is a deficient number, since it is larger than the sum of its proper divisors (4466277).

9983691 is a wasteful number, since it uses less digits than its factorization.

9983691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2239 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 9983691 is about 3159.6979286001. The cubic root of 9983691 is about 215.3262830227.

The spelling of 9983691 in words is "nine million, nine hundred eighty-three thousand, six hundred ninety-one".