342390293 has 6 divisors (see below), whose sum is σ = 398290806. Its totient is φ = 293477352.

The previous prime is 342390287. The next prime is 342390313. The reversal of 342390293 is 392093243.

It can be written as a sum of positive squares in only one way, i.e., 209149444 + 133240849 = 14462^2 + 11543^2 .

It is not a de Polignac number, because 342390293 - 2⁴ = 342390277 is a prime.

It is a super-2 number, since 2×342390293² = 234462225481251698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342390233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3493730 + ... + 3493827.

It is an arithmetic number, because the mean of its divisors is an integer number (66381801).

Almost surely, 2^342390293 is an apocalyptic number.

It is an amenable number.

342390293 is a deficient number, since it is larger than the sum of its proper divisors (55900513).

342390293 is an equidigital number, since it uses as much as digits as its factorization.

342390293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987571 (or 6987564 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 342390293 is about 18503.7913142145. The cubic root of 342390293 is about 699.5849873312.

The spelling of 342390293 in words is "three hundred forty-two million, three hundred ninety thousand, two hundred ninety-three".