349064181 has 32 divisors (see below), whose sum is σ = 549820800. Its totient is φ = 218246400.

The previous prime is 349064161. The next prime is 349064197. The reversal of 349064181 is 181460943.

349064181 is a `hidden beast` number, since 3 + 4 + 9 + 0 + 641 + 8 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-349064181 is a prime.

It is a super-2 number, since 2×349064181² = 243691604914401522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349064161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48445 + ... + 55181.

It is an arithmetic number, because the mean of its divisors is an integer number (17181900).

Almost surely, 2^349064181 is an apocalyptic number.

It is an amenable number.

349064181 is a deficient number, since it is larger than the sum of its proper divisors (200756619).

349064181 is a wasteful number, since it uses less digits than its factorization.

349064181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866 (or 6860 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 349064181 is about 18683.2593783847. The cubic root of 349064181 is about 704.1012177179.

The spelling of 349064181 in words is "three hundred forty-nine million, sixty-four thousand, one hundred eighty-one".