346140394 has 8 divisors (see below), whose sum is σ = 519351840. Its totient is φ = 173023116.

The previous prime is 346140391. The next prime is 346140419. The reversal of 346140394 is 493041643.

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

It is not an unprimeable number, because it can be changed into a prime (346140391) 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, 13494 + ... + 29569.

It is an arithmetic number, because the mean of its divisors is an integer number (64918980).

Almost surely, 2^346140394 is an apocalyptic number.

346140394 is a deficient number, since it is larger than the sum of its proper divisors (173211446).

346140394 is a wasteful number, since it uses less digits than its factorization.

346140394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47084.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 346140394 is about 18604.8486690970. The cubic root of 346140394 is about 702.1298355914.

The spelling of 346140394 in words is "three hundred forty-six million, one hundred forty thousand, three hundred ninety-four".