346660644 has 36 divisors (see below), whose sum is σ = 889097552. Its totient is φ = 105048240.

The previous prime is 346660619. The next prime is 346660649. The reversal of 346660644 is 446066643.

It is not an unprimeable number, because it can be changed into a prime (346660649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117922 + ... + 120825.

Almost surely, 2^346660644 is an apocalyptic number.

It is an amenable number.

346660644 is an abundant number, since it is smaller than the sum of its proper divisors (542436908).

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

346660644 is a wasteful number, since it uses less digits than its factorization.

346660644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238776 (or 238763 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The square root of 346660644 is about 18618.8249897785. The cubic root of 346660644 is about 702.4814272180.

The spelling of 346660644 in words is "three hundred forty-six million, six hundred sixty thousand, six hundred forty-four".