342619 has 4 divisors (see below), whose sum is σ = 345040. Its totient is φ = 340200.

The previous prime is 342607. The next prime is 342647. The reversal of 342619 is 916243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 916243 = 919 ⋅997.

It is a cyclic number.

It is not a de Polignac number, because 342619 - 2⁹ = 342107 is a prime.

It is a super-2 number, since 2×342619² = 234775558322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342593 and 342602.

It is not an unprimeable number, because it can be changed into a prime (342659) 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, 984 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (86260).

2³⁴²⁶¹⁹ is an apocalyptic number.

342619 is a deficient number, since it is larger than the sum of its proper divisors (2421).

342619 is a wasteful number, since it uses less digits than its factorization.

342619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420.

The product of its digits is 1296, while the sum is 25.

The square root of 342619 is about 585.3366552677. The cubic root of 342619 is about 69.9740720301.

It can be divided in two parts, 342 and 619, that added together give a square (961 = 31²).

The spelling of 342619 in words is "three hundred forty-two thousand, six hundred nineteen".