342805293 has 6 divisors (see below), whose sum is σ = 495163214. Its totient is φ = 228536856.

The previous prime is 342805283. The next prime is 342805301. The reversal of 342805293 is 392508243.

It can be written as a sum of positive squares in only one way, i.e., 332807049 + 9998244 = 18243^2 + 3162^2 .

It is not a de Polignac number, because 342805293 - 2¹² = 342801197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342805283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19044730 + ... + 19044747.

Almost surely, 2^342805293 is an apocalyptic number.

It is an amenable number.

342805293 is a deficient number, since it is larger than the sum of its proper divisors (152357921).

342805293 is a wasteful number, since it uses less digits than its factorization.

342805293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38089483 (or 38089480 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 342805293 is about 18515.0018363488. The cubic root of 342805293 is about 699.8675211877.

The spelling of 342805293 in words is "three hundred forty-two million, eight hundred five thousand, two hundred ninety-three".