342499 has 4 divisors (see below), whose sum is σ = 362664. Its totient is φ = 322336.

The previous prime is 342497. The next prime is 342521. The reversal of 342499 is 994243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994243 = 467 ⋅2129.

It is a cyclic number.

It is not a de Polignac number, because 342499 - 2¹ = 342497 is a prime.

It is a Duffinian number.

342499 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 342499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10057 + ... + 10090.

It is an arithmetic number, because the mean of its divisors is an integer number (90666).

2³⁴²⁴⁹⁹ is an apocalyptic number.

342499 is a deficient number, since it is larger than the sum of its proper divisors (20165).

342499 is a wasteful number, since it uses less digits than its factorization.

342499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20164.

The product of its digits is 7776, while the sum is 31.

The square root of 342499 is about 585.2341411777. The cubic root of 342499 is about 69.9659017602.

It can be divided in two parts, 342 and 499, that added together give a square (841 = 29²).

The spelling of 342499 in words is "three hundred forty-two thousand, four hundred ninety-nine".