342019 has 8 divisors (see below), whose sum is σ = 368640. Its totient is φ = 316296.

The previous prime is 341993. The next prime is 342037. The reversal of 342019 is 910243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342019 - 2⁹ = 341507 is a prime.

It is a super-2 number, since 2×342019² = 233953992722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 341987 and 342005.

It is not an unprimeable number, because it can be changed into a prime (342049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 702 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (46080).

2³⁴²⁰¹⁹ is an apocalyptic number.

342019 is a deficient number, since it is larger than the sum of its proper divisors (26621).

342019 is a wasteful number, since it uses less digits than its factorization.

342019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 342019 is about 584.8239051202. The cubic root of 342019 is about 69.9332015831.

It can be divided in two parts, 3420 and 19, that multiplied together give a triangular number (64980 = T₃₆₀).

The spelling of 342019 in words is "three hundred forty-two thousand, nineteen".