9942398 has 8 divisors (see below), whose sum is σ = 15136392. Its totient is φ = 4896936.

The previous prime is 9942391. The next prime is 9942407. The reversal of 9942398 is 8932499.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942391) 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, 36965 + ... + 37232.

It is an arithmetic number, because the mean of its divisors is an integer number (1892049).

Almost surely, 2^9942398 is an apocalyptic number.

9942398 is a deficient number, since it is larger than the sum of its proper divisors (5193994).

9942398 is a wasteful number, since it uses less digits than its factorization.

9942398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74266.

The product of its digits is 139968, while the sum is 44.

The square root of 9942398 is about 3153.1568308601. The cubic root of 9942398 is about 215.0290063623.

The spelling of 9942398 in words is "nine million, nine hundred forty-two thousand, three hundred ninety-eight".