342217 has 4 divisors (see below), whose sum is σ = 357120. Its totient is φ = 327316.

The previous prime is 342211. The next prime is 342233. The reversal of 342217 is 712243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712243 = 7 ⋅101749.

It is a cyclic number.

It is not a de Polignac number, because 342217 - 2¹¹ = 340169 is a prime.

It is a super-2 number, since 2×342217² = 234224950178, 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 = 342194 and 342203.

It is not an unprimeable number, because it can be changed into a prime (342211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7417 + ... + 7462.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

2³⁴²²¹⁷ is an apocalyptic number.

It is an amenable number.

342217 is a deficient number, since it is larger than the sum of its proper divisors (14903).

342217 is a wasteful number, since it uses less digits than its factorization.

342217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14902.

The product of its digits is 336, while the sum is 19.

The square root of 342217 is about 584.9931623532. The cubic root of 342217 is about 69.9466941111.

The spelling of 342217 in words is "three hundred forty-two thousand, two hundred seventeen", and thus it is an iban number.