346239613 has 4 divisors (see below), whose sum is σ = 358178940. Its totient is φ = 334300288.

The previous prime is 346239601. The next prime is 346239617. The reversal of 346239613 is 316932643.

346239613 = 13157² + 13158².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316932643 = 397 ⋅798319.

It can be written as a sum of positive squares in 2 ways, for example, as 173132964 + 173106649 = 13158^2 + 13157^2 .

It is a cyclic number.

It is not a de Polignac number, because 346239613 - 2⁵ = 346239581 is a prime.

It is a super-2 number, since 2×346239613² = 239763739220779538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346239617) 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, 5969620 + ... + 5969677.

It is an arithmetic number, because the mean of its divisors is an integer number (89544735).

Almost surely, 2^346239613 is an apocalyptic number.

346239613 is the 13158-th centered square number.

It is an amenable number.

346239613 is a deficient number, since it is larger than the sum of its proper divisors (11939327).

346239613 is a wasteful number, since it uses less digits than its factorization.

346239613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11939326.

The product of its digits is 69984, while the sum is 37.

The square root of 346239613 is about 18607.5149603594. The cubic root of 346239613 is about 702.1969162386.

The spelling of 346239613 in words is "three hundred forty-six million, two hundred thirty-nine thousand, six hundred thirteen".