342788 has 18 divisors (see below), whose sum is σ = 644238. Its totient is φ = 159040.

The previous prime is 342761. The next prime is 342791. The reversal of 342788 is 887243.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 20164 = 568^2 + 142^2 .

It is a super-2 number, since 2×342788² = 235007225888, which contains 22 as substring.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342788.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4793 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (35791).

2³⁴²⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

342788 is a deficient number, since it is larger than the sum of its proper divisors (301450).

342788 is a wasteful number, since it uses less digits than its factorization.

342788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 90 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 342788 is about 585.4809988377. The cubic root of 342788 is about 69.9855752590.

The spelling of 342788 in words is "three hundred forty-two thousand, seven hundred eighty-eight".