349193566 has 16 divisors (see below), whose sum is σ = 555979680. Its totient is φ = 163918080.

The previous prime is 349193561. The next prime is 349193573. The reversal of 349193566 is 665391943.

It is a super-2 number, since 2×349193566² = 243872293071592712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349193561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351 + ... + 26461.

It is an arithmetic number, because the mean of its divisors is an integer number (34748730).

Almost surely, 2^349193566 is an apocalyptic number.

349193566 is a deficient number, since it is larger than the sum of its proper divisors (206786114).

349193566 is a wasteful number, since it uses less digits than its factorization.

349193566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25539.

The product of its digits is 524880, while the sum is 46.

The square root of 349193566 is about 18686.7216493423. The cubic root of 349193566 is about 704.1882016095.

The spelling of 349193566 in words is "three hundred forty-nine million, one hundred ninety-three thousand, five hundred sixty-six".