346257213 has 4 divisors (see below), whose sum is σ = 461676288. Its totient is φ = 230838140.

The previous prime is 346257179. The next prime is 346257221. The reversal of 346257213 is 312752643.

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.

It is a cyclic number.

It is not a de Polignac number, because 346257213 - 2⁸ = 346256957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346257293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57709533 + ... + 57709538.

It is an arithmetic number, because the mean of its divisors is an integer number (115419072).

Almost surely, 2^346257213 is an apocalyptic number.

It is an amenable number.

346257213 is a deficient number, since it is larger than the sum of its proper divisors (115419075).

346257213 is a wasteful number, since it uses less digits than its factorization.

346257213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115419074.

The product of its digits is 30240, while the sum is 33.

The square root of 346257213 is about 18607.9878815524. The cubic root of 346257213 is about 702.2088140264.

The spelling of 346257213 in words is "three hundred forty-six million, two hundred fifty-seven thousand, two hundred thirteen".