346739680 has 144 divisors (see below), whose sum is σ = 974223936. Its totient is φ = 116229120.

The previous prime is 346739671. The next prime is 346739693. The reversal of 346739680 is 86937643.

It is a self number, because there is not a number n which added to its sum of digits gives 346739680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368010 + ... + 368950.

It is an arithmetic number, because the mean of its divisors is an integer number (6765444).

Almost surely, 2^346739680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346739680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487111968).

346739680 is an abundant number, since it is smaller than the sum of its proper divisors (627484256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346739680 is a wasteful number, since it uses less digits than its factorization.

346739680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 346739680 is about 18620.9473443217. The cubic root of 346739680 is about 702.5348099754.

The spelling of 346739680 in words is "three hundred forty-six million, seven hundred thirty-nine thousand, six hundred eighty".