342028 has 12 divisors (see below), whose sum is σ = 614992. Its totient is φ = 166320.

The previous prime is 341993. The next prime is 342037. The reversal of 342028 is 820243.

It is a happy number.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 341996 and 342014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008 + ... + 1303.

2³⁴²⁰²⁸ is an apocalyptic number.

It is an amenable number.

342028 is a deficient number, since it is larger than the sum of its proper divisors (272964).

342028 is a wasteful number, since it uses less digits than its factorization.

342028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 342028 is about 584.8315996935. The cubic root of 342028 is about 69.9338149928.

The spelling of 342028 in words is "three hundred forty-two thousand, twenty-eight".