342928 has 10 divisors (see below), whose sum is σ = 664454. Its totient is φ = 171456.

The previous prime is 342899. The next prime is 342929. The reversal of 342928 is 829243.

342928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 123904 = 468^2 + 352^2 .

It is a super-2 number, since 2×342928² = 235199226368, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁹ + 4 + 9⁵ + 2¹⁰ + 2¹⁰ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 342896 and 342905.

It is not an unprimeable number, because it can be changed into a prime (342929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10701 + ... + 10732.

2³⁴²⁹²⁸ is an apocalyptic number.

It is an amenable number.

342928 is a deficient number, since it is larger than the sum of its proper divisors (321526).

342928 is a wasteful number, since it uses less digits than its factorization.

342928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21441 (or 21435 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 342928 is about 585.6005464478. The cubic root of 342928 is about 69.9951016981.

The spelling of 342928 in words is "three hundred forty-two thousand, nine hundred twenty-eight".