9442399 has 4 divisors (see below), whose sum is σ = 9473464. Its totient is φ = 9411336.

The previous prime is 9442387. The next prime is 9442417. The reversal of 9442399 is 9932449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9932449 = 173 ⋅57413.

It is a cyclic number.

It is not a de Polignac number, because 9442399 - 2¹³ = 9434207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9442309) 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, 15072 + ... + 15685.

It is an arithmetic number, because the mean of its divisors is an integer number (2368366).

Almost surely, 2^9442399 is an apocalyptic number.

9442399 is a deficient number, since it is larger than the sum of its proper divisors (31065).

9442399 is a wasteful number, since it uses less digits than its factorization.

9442399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31064.

The product of its digits is 69984, while the sum is 40.

The square root of 9442399 is about 3072.8486783439. The cubic root of 9442399 is about 211.3622626117.

The spelling of 9442399 in words is "nine million, four hundred forty-two thousand, three hundred ninety-nine".