342783 has 12 divisors (see below), whose sum is σ = 565968. Its totient is φ = 195840.

The previous prime is 342761. The next prime is 342791. The reversal of 342783 is 387243.

It is not a de Polignac number, because 342783 - 2⁸ = 342527 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2658 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (47164).

2³⁴²⁷⁸³ is an apocalyptic number.

342783 is a deficient number, since it is larger than the sum of its proper divisors (223185).

342783 is a wasteful number, since it uses less digits than its factorization.

342783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454 (or 5451 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 342783 is about 585.4767288287. The cubic root of 342783 is about 69.9852349811.

The spelling of 342783 in words is "three hundred forty-two thousand, seven hundred eighty-three".