9936399 has 24 divisors (see below), whose sum is σ = 15049216. Its totient is φ = 5821200.

The previous prime is 9936371. The next prime is 9936419.

9936399 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9936399 - 2⁷ = 9936271 is a prime.

It is a super-3 number, since 3×9936399³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9936319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10812 + ... + 11694.

Almost surely, 2^9936399 is an apocalyptic number.

9936399 is a deficient number, since it is larger than the sum of its proper divisors (5112817).

9936399 is a wasteful number, since it uses less digits than its factorization.

9936399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 928 counting only the distinct ones).

The product of its digits is 354294, while the sum is 48.

The square root of 9936399 is about 3152.2054184333. The cubic root of 9936399 is about 214.9857499119.

The spelling of 9936399 in words is "nine million, nine hundred thirty-six thousand, three hundred ninety-nine".