99956685 has 16 divisors (see below), whose sum is σ = 169338816. Its totient is φ = 50174208.

The previous prime is 99956683. The next prime is 99956687. The reversal of 99956685 is 58665999.

It is an interprime number because it is at equal distance from previous prime (99956683) and next prime (99956687).

It is not a de Polignac number, because 99956685 - 2¹ = 99956683 is a prime.

It is a super-3 number, since 3×99956685³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99956683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195739 + ... + 196248.

It is an arithmetic number, because the mean of its divisors is an integer number (10583676).

Almost surely, 2^99956685 is an apocalyptic number.

It is an amenable number.

99956685 is a deficient number, since it is larger than the sum of its proper divisors (69382131).

99956685 is a wasteful number, since it uses less digits than its factorization.

99956685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392012.

The product of its digits is 5248800, while the sum is 57.

The square root of 99956685 is about 9997.8340154255. The cubic root of 99956685 is about 464.0918568761.

The spelling of 99956685 in words is "ninety-nine million, nine hundred fifty-six thousand, six hundred eighty-five".