346746728 has 16 divisors (see below), whose sum is σ = 650501280. Its totient is φ = 173279728.

The previous prime is 346746677. The next prime is 346746731. The reversal of 346746728 is 827647643.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5525 + ... + 26907.

It is an arithmetic number, because the mean of its divisors is an integer number (40656330).

Almost surely, 2^346746728 is an apocalyptic number.

It is an amenable number.

346746728 is a deficient number, since it is larger than the sum of its proper divisors (303754552).

346746728 is a wasteful number, since it uses less digits than its factorization.

346746728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23416 (or 23412 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 47.

The square root of 346746728 is about 18621.1365925928. The cubic root of 346746728 is about 702.5395699650.

The spelling of 346746728 in words is "three hundred forty-six million, seven hundred forty-six thousand, seven hundred twenty-eight".