99683731 has 8 divisors (see below), whose sum is σ = 114255360. Its totient is φ = 85194888.

The previous prime is 99683729. The next prime is 99683737. The reversal of 99683731 is 13738699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99683731 - 2¹ = 99683729 is a prime.

It is a super-2 number, since 2×99683731² = 19873692452160722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99683737) 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, 18091 + ... + 22948.

It is an arithmetic number, because the mean of its divisors is an integer number (14281920).

Almost surely, 2^99683731 is an apocalyptic number.

99683731 is a deficient number, since it is larger than the sum of its proper divisors (14571629).

99683731 is a wasteful number, since it uses less digits than its factorization.

99683731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41393.

The product of its digits is 244944, while the sum is 46.

The square root of 99683731 is about 9984.1740269288. The cubic root of 99683731 is about 463.6690363668.

The spelling of 99683731 in words is "ninety-nine million, six hundred eighty-three thousand, seven hundred thirty-one".