342021992 has 16 divisors (see below), whose sum is σ = 690621540. Its totient is φ = 157856256.

The previous prime is 342021991. The next prime is 342022019. The reversal of 342021992 is 299120243.

It can be written as a sum of positive squares in 2 ways, for example, as 333646756 + 8375236 = 18266^2 + 2894^2 .

It is not an unprimeable number, because it can be changed into a prime (342021991) 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, 1644233 + ... + 1644440.

Almost surely, 2^342021992 is an apocalyptic number.

It is an amenable number.

342021992 is an abundant number, since it is smaller than the sum of its proper divisors (348599548).

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

342021992 is a wasteful number, since it uses less digits than its factorization.

342021992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288692 (or 3288688 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 342021992 is about 18493.8365949308. The cubic root of 342021992 is about 699.3340550897.

The spelling of 342021992 in words is "three hundred forty-two million, twenty-one thousand, nine hundred ninety-two".