346396813 has 8 divisors (see below), whose sum is σ = 413094528. Its totient is φ = 284002224.

The previous prime is 346396789. The next prime is 346396861. The reversal of 346396813 is 318693643.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346396813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346396813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346396873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075606 + ... + 1075927.

It is an arithmetic number, because the mean of its divisors is an integer number (51636816).

Almost surely, 2^346396813 is an apocalyptic number.

It is an amenable number.

346396813 is a deficient number, since it is larger than the sum of its proper divisors (66697715).

346396813 is a wasteful number, since it uses less digits than its factorization.

346396813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151563.

The product of its digits is 279936, while the sum is 43.

The square root of 346396813 is about 18611.7385807989. The cubic root of 346396813 is about 702.3031708376.

The spelling of 346396813 in words is "three hundred forty-six million, three hundred ninety-six thousand, eight hundred thirteen".