346648394 has 16 divisors (see below), whose sum is σ = 550929600. Its totient is φ = 163018944.

The previous prime is 346648391. The next prime is 346648409. The reversal of 346648394 is 493846643.

346648394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (346648391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71747 + ... + 76425.

It is an arithmetic number, because the mean of its divisors is an integer number (34433100).

Almost surely, 2^346648394 is an apocalyptic number.

346648394 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

346648394 is a deficient number, since it is larger than the sum of its proper divisors (204281206).

346648394 is a wasteful number, since it uses less digits than its factorization.

346648394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877.

The product of its digits is 1492992, while the sum is 47.

The square root of 346648394 is about 18618.4960187444. The cubic root of 346648394 is about 702.4731525561.

The spelling of 346648394 in words is "three hundred forty-six million, six hundred forty-eight thousand, three hundred ninety-four".