342638255 has 16 divisors (see below), whose sum is σ = 416280384. Its totient is φ = 270716160.

The previous prime is 342638251. The next prime is 342638293. The reversal of 342638255 is 552836243.

It is a happy number.

It is not a de Polignac number, because 342638255 - 2² = 342638251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342638251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267677 + ... + 268953.

It is an arithmetic number, because the mean of its divisors is an integer number (26017524).

Almost surely, 2^342638255 is an apocalyptic number.

342638255 is a deficient number, since it is larger than the sum of its proper divisors (73642129).

342638255 is a wasteful number, since it uses less digits than its factorization.

342638255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its digits is 172800, while the sum is 38.

The square root of 342638255 is about 18510.4904040925. The cubic root of 342638255 is about 699.7538284041.

The spelling of 342638255 in words is "three hundred forty-two million, six hundred thirty-eight thousand, two hundred fifty-five".