320397342 has 16 divisors (see below), whose sum is σ = 674520960. Its totient is φ = 101178072.

The previous prime is 320397299. The next prime is 320397353. The reversal of 320397342 is 243793023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405138 + ... + 1405365.

It is an arithmetic number, because the mean of its divisors is an integer number (42157560).

Almost surely, 2^320397342 is an apocalyptic number.

320397342 is an abundant number, since it is smaller than the sum of its proper divisors (354123618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320397342 is a wasteful number, since it uses less digits than its factorization.

320397342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810527.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 320397342 is about 17899.6464210889. The cubic root of 320397342 is about 684.2733637688.

The spelling of 320397342 in words is "three hundred twenty million, three hundred ninety-seven thousand, three hundred forty-two".