342285 has 16 divisors (see below), whose sum is σ = 576960. Its totient is φ = 172800.

The previous prime is 342283. The next prime is 342299. The reversal of 342285 is 582243.

342285 = 191² + 192² + ... + 199².

It is not a de Polignac number, because 342285 - 2¹ = 342283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (36060).

2³⁴²²⁸⁵ is an apocalyptic number.

It is an amenable number.

342285 is a deficient number, since it is larger than the sum of its proper divisors (234675).

342285 is a wasteful number, since it uses less digits than its factorization.

342285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its digits is 1920, while the sum is 24.

The square root of 342285 is about 585.0512798037. The cubic root of 342285 is about 69.9513267079.

The spelling of 342285 in words is "three hundred forty-two thousand, two hundred eighty-five".