9949636 has 12 divisors (see below), whose sum is σ = 17973760. Its totient is φ = 4814280.

The previous prime is 9949631. The next prime is 9949651. The reversal of 9949636 is 6369499.

9949636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9949631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39996 + ... + 40243.

Almost surely, 2^9949636 is an apocalyptic number.

It is an amenable number.

9949636 is a deficient number, since it is larger than the sum of its proper divisors (8024124).

9949636 is a wasteful number, since it uses less digits than its factorization.

9949636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80274 (or 80272 counting only the distinct ones).

The product of its digits is 314928, while the sum is 46.

The square root of 9949636 is about 3154.3043607109. The cubic root of 9949636 is about 215.0811736035.

It can be divided in two parts, 9949 and 636, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 9949636 in words is "nine million, nine hundred forty-nine thousand, six hundred thirty-six".