346728488 has 32 divisors (see below), whose sum is σ = 658532160. Its totient is φ = 171131520.

The previous prime is 346728469. The next prime is 346728539. The reversal of 346728488 is 884827643.

It is a super-2 number, since 2×346728488² = 240441288781532288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404156 + ... + 405012.

It is an arithmetic number, because the mean of its divisors is an integer number (20579130).

Almost surely, 2^346728488 is an apocalyptic number.

It is an amenable number.

346728488 is a deficient number, since it is larger than the sum of its proper divisors (311803672).

346728488 is a wasteful number, since it uses less digits than its factorization.

346728488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1453 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The square root of 346728488 is about 18620.6468201295. The cubic root of 346728488 is about 702.5272511307.

The spelling of 346728488 in words is "three hundred forty-six million, seven hundred twenty-eight thousand, four hundred eighty-eight".