342237 has 16 divisors (see below), whose sum is σ = 535040. Its totient is φ = 190512.

The previous prime is 342233. The next prime is 342239. The reversal of 342237 is 732243.

It is a happy number.

It is not a de Polignac number, because 342237 - 2² = 342233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁷ + 4⁹ + 2 + 2¹¹ + 3¹⁰ + 7⁵ .

It is a Duffinian number.

342237 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342237.

It is not an unprimeable number, because it can be changed into a prime (342233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714 + ... + 1092.

It is an arithmetic number, because the mean of its divisors is an integer number (33440).

2³⁴²²³⁷ is an apocalyptic number.

It is an amenable number.

342237 is a deficient number, since it is larger than the sum of its proper divisors (192803).

342237 is a wasteful number, since it uses less digits than its factorization.

342237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 1008, while the sum is 21.

The square root of 342237 is about 585.0102563203. The cubic root of 342237 is about 69.9480567033.

The spelling of 342237 in words is "three hundred forty-two thousand, two hundred thirty-seven".