346601680 has 20 divisors (see below), whose sum is σ = 805849092. Its totient is φ = 138640640.

The previous prime is 346601663. The next prime is 346601687. The reversal of 346601680 is 86106643.

It can be written as a sum of positive squares in 2 ways, for example, as 254211136 + 92390544 = 15944^2 + 9612^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346601687) 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, 2166181 + ... + 2166340.

Almost surely, 2^346601680 is an apocalyptic number.

It is an amenable number.

346601680 is an abundant number, since it is smaller than the sum of its proper divisors (459247412).

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

346601680 is a wasteful number, since it uses less digits than its factorization.

346601680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332534 (or 4332528 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 346601680 is about 18617.2414712814. The cubic root of 346601680 is about 702.4415962726.

The spelling of 346601680 in words is "three hundred forty-six million, six hundred one thousand, six hundred eighty".