349550566 has 16 divisors (see below), whose sum is σ = 558583344. Its totient is φ = 163482624.

The previous prime is 349550533. The next prime is 349550567. The reversal of 349550566 is 665055943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349550567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25995 + ... + 37078.

It is an arithmetic number, because the mean of its divisors is an integer number (34911459).

Almost surely, 2^349550566 is an apocalyptic number.

349550566 is a deficient number, since it is larger than the sum of its proper divisors (209032778).

349550566 is a wasteful number, since it uses less digits than its factorization.

349550566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63255.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 349550566 is about 18696.2714464676. The cubic root of 349550566 is about 704.4280967940.

The spelling of 349550566 in words is "three hundred forty-nine million, five hundred fifty thousand, five hundred sixty-six".