9942369 has 8 divisors (see below), whose sum is σ = 13302912. Its totient is φ = 6605040.

The previous prime is 9942367. The next prime is 9942391. The reversal of 9942369 is 9632499.

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

It is not a de Polignac number, because 9942369 - 2¹ = 9942367 is a prime.

It is a super-2 number, since 2×9942369² = 197701402664322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9942369.

It is not an unprimeable number, because it can be changed into a prime (9942367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4777 + ... + 6534.

It is an arithmetic number, because the mean of its divisors is an integer number (1662864).

Almost surely, 2^9942369 is an apocalyptic number.

It is an amenable number.

9942369 is a deficient number, since it is larger than the sum of its proper divisors (3360543).

9942369 is a wasteful number, since it uses less digits than its factorization.

9942369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11607.

The product of its digits is 104976, while the sum is 42.

The square root of 9942369 is about 3153.1522322907. The cubic root of 9942369 is about 215.0287972965.

The spelling of 9942369 in words is "nine million, nine hundred forty-two thousand, three hundred sixty-nine".