9945339 has 8 divisors (see below), whose sum is σ = 13296960. Its totient is φ = 6611976.

The previous prime is 9945337. The next prime is 9945343. The reversal of 9945339 is 9335499.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9945339 - 2¹ = 9945337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9945339.

It is not an unprimeable number, because it can be changed into a prime (9945337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237 + ... + 5510.

It is an arithmetic number, because the mean of its divisors is an integer number (1662120).

Almost surely, 2^9945339 is an apocalyptic number.

9945339 is a deficient number, since it is larger than the sum of its proper divisors (3351621).

9945339 is a wasteful number, since it uses less digits than its factorization.

9945339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129.

The product of its digits is 131220, while the sum is 42.

The square root of 9945339 is about 3153.6231544051. The cubic root of 9945339 is about 215.0502064109.

The spelling of 9945339 in words is "nine million, nine hundred forty-five thousand, three hundred thirty-nine".