342765 has 16 divisors (see below), whose sum is σ = 609600. Its totient is φ = 182736.

The previous prime is 342761. The next prime is 342791. The reversal of 342765 is 567243.

It is a happy number.

It is not a de Polignac number, because 342765 - 2² = 342761 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 3⁶ + 4⁹ + 7³ + 2⁷ + 6⁴ + 5⁷ .

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 342765.

It is not an unprimeable number, because it can be changed into a prime (342761) 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, 1135 + ... + 1404.

It is an arithmetic number, because the mean of its divisors is an integer number (38100).

2³⁴²⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

342765 is a deficient number, since it is larger than the sum of its proper divisors (266835).

342765 is a wasteful number, since it uses less digits than its factorization.

342765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2547 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 342765 is about 585.4613565386. The cubic root of 342765 is about 69.9840099531.

The spelling of 342765 in words is "three hundred forty-two thousand, seven hundred sixty-five".