349620066 has 24 divisors (see below), whose sum is σ = 758150640. Its totient is φ = 116441496.

The previous prime is 349620059. The next prime is 349620071. The reversal of 349620066 is 660026943.

349620066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 349620066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15525 + ... + 30663.

It is an arithmetic number, because the mean of its divisors is an integer number (31589610).

Almost surely, 2^349620066 is an apocalyptic number.

349620066 is an abundant number, since it is smaller than the sum of its proper divisors (408530574).

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

349620066 is a wasteful number, since it uses less digits than its factorization.

349620066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16430 (or 16427 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 349620066 is about 18698.1300134532. The cubic root of 349620066 is about 704.4747800812.

The spelling of 349620066 in words is "three hundred forty-nine million, six hundred twenty thousand, sixty-six".