346606660 has 48 divisors (see below), whose sum is σ = 768886272. Its totient is φ = 131040000.

The previous prime is 346606657. The next prime is 346606669. The reversal of 346606660 is 66606643.

It is not an unprimeable number, because it can be changed into a prime (346606669) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20160 + ... + 33160.

It is an arithmetic number, because the mean of its divisors is an integer number (16018464).

Almost surely, 2^346606660 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 346606660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384443136).

346606660 is an abundant number, since it is smaller than the sum of its proper divisors (422279612).

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

346606660 is a wasteful number, since it uses less digits than its factorization.

346606660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13084 (or 13082 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 346606660 is about 18617.3752177905. The cubic root of 346606660 is about 702.4449605017. Note that the first 3 decimals are identical.

The spelling of 346606660 in words is "three hundred forty-six million, six hundred six thousand, six hundred sixty".