9949392 has 70 divisors (see below), whose sum is σ = 28936082. Its totient is φ = 3312576.

The previous prime is 9949321. The next prime is 9949393. The reversal of 9949392 is 2939499.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 3779136 = 2484^2 + 1944^2 .

It is a nude number because it is divisible by every one of its digits.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11238 + ... + 12090.

Almost surely, 2^9949392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9949392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14468041).

9949392 is an abundant number, since it is smaller than the sum of its proper divisors (18986690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9949392 is an equidigital number, since it uses as much as digits as its factorization.

9949392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 858 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 9949392 is about 3154.2656831662. The cubic root of 9949392 is about 215.0794154073.

The spelling of 9949392 in words is "nine million, nine hundred forty-nine thousand, three hundred ninety-two".