9949399 has 4 divisors (see below), whose sum is σ = 10061280. Its totient is φ = 9837520.

The previous prime is 9949393. The next prime is 9949417. The reversal of 9949399 is 9939499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9949399 - 2¹⁵ = 9916631 is a prime.

It is a super-2 number, since 2×9949399² = 197981080922402, which contains 22 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 (9949393) 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, 55807 + ... + 55984.

It is an arithmetic number, because the mean of its divisors is an integer number (2515320).

Almost surely, 2^9949399 is an apocalyptic number.

9949399 is a deficient number, since it is larger than the sum of its proper divisors (111881).

9949399 is a wasteful number, since it uses less digits than its factorization.

9949399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111880.

The product of its digits is 708588, while the sum is 52.

The square root of 9949399 is about 3154.2667927745. The cubic root of 9949399 is about 215.0794658478.

The spelling of 9949399 in words is "nine million, nine hundred forty-nine thousand, three hundred ninety-nine".