349576666 has 16 divisors (see below), whose sum is σ = 539767656. Its totient is φ = 169675776.

The previous prime is 349576663. The next prime is 349576679. The reversal of 349576666 is 666675943.

It can be written as a sum of positive squares in 4 ways, for example, as 328370641 + 21206025 = 18121^2 + 4605^2 .

It is not an unprimeable number, because it can be changed into a prime (349576663) 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, 28650 + ... + 38986.

Almost surely, 2^349576666 is an apocalyptic number.

349576666 is a deficient number, since it is larger than the sum of its proper divisors (190190990).

349576666 is a wasteful number, since it uses less digits than its factorization.

349576666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833.

The product of its digits is 4898880, while the sum is 52.

The square root of 349576666 is about 18696.9694335740. The cubic root of 349576666 is about 704.4456289410.

The spelling of 349576666 in words is "three hundred forty-nine million, five hundred seventy-six thousand, six hundred sixty-six".