42398342 has 8 divisors (see below), whose sum is σ = 72682896. Its totient is φ = 18170712.

The previous prime is 42398339. The next prime is 42398353. The reversal of 42398342 is 24389324.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514213 + ... + 1514240.

It is an arithmetic number, because the mean of its divisors is an integer number (9085362).

Almost surely, 2^42398342 is an apocalyptic number.

42398342 is a deficient number, since it is larger than the sum of its proper divisors (30284554).

42398342 is a wasteful number, since it uses less digits than its factorization.

42398342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028462.

The product of its digits is 41472, while the sum is 35.

The square root of 42398342 is about 6511.4009245323. The cubic root of 42398342 is about 348.6981349969.

The spelling of 42398342 in words is "forty-two million, three hundred ninety-eight thousand, three hundred forty-two".