342399992 has 48 divisors (see below), whose sum is σ = 747215280. Its totient is φ = 146474240.

The previous prime is 342399989. The next prime is 342400049. The reversal of 342399992 is 299993243.

It is a self number, because there is not a number n which added to its sum of digits gives 342399992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6053 + ... + 26859.

It is an arithmetic number, because the mean of its divisors is an integer number (15566985).

Almost surely, 2^342399992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342399992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373607640).

342399992 is an abundant number, since it is smaller than the sum of its proper divisors (404815288).

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

342399992 is a wasteful number, since it uses less digits than its factorization.

342399992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20852 (or 20837 counting only the distinct ones).

The product of its digits is 944784, while the sum is 50.

The square root of 342399992 is about 18504.0533937838. The cubic root of 342399992 is about 699.5915930585.

The spelling of 342399992 in words is "three hundred forty-two million, three hundred ninety-nine thousand, nine hundred ninety-two".