346807385 has 8 divisors (see below), whose sum is σ = 429593856. Its totient is φ = 268495920.

The previous prime is 346807339. The next prime is 346807421. The reversal of 346807385 is 583708643.

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

It is a de Polignac number, because none of the positive numbers 2^k-346807385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118579 + ... + 1118888.

It is an arithmetic number, because the mean of its divisors is an integer number (53699232).

Almost surely, 2^346807385 is an apocalyptic number.

It is an amenable number.

346807385 is a deficient number, since it is larger than the sum of its proper divisors (82786471).

346807385 is a wasteful number, since it uses less digits than its factorization.

346807385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237503.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 346807385 is about 18622.7652350557. The cubic root of 346807385 is about 702.5805330605.

The spelling of 346807385 in words is "three hundred forty-six million, eight hundred seven thousand, three hundred eighty-five".