342290 has 16 divisors (see below), whose sum is σ = 663768. Its totient is φ = 126336.

The previous prime is 342283. The next prime is 342299. The reversal of 342290 is 92243.

It can be written as a sum of positive squares in 4 ways, for example, as 151321 + 190969 = 389^2 + 437^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187 + ... + 1446.

2³⁴²²⁹⁰ is an apocalyptic number.

342290 is a deficient number, since it is larger than the sum of its proper divisors (321478).

342290 is a wasteful number, since it uses less digits than its factorization.

342290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 342290 is about 585.0555529178. The cubic root of 342290 is about 69.9516673158.

Subtracting from 342290 its reverse (92243), we obtain a cube (250047 = 63³).

The spelling of 342290 in words is "three hundred forty-two thousand, two hundred ninety".