349477208 has 8 divisors (see below), whose sum is σ = 655269780. Its totient is φ = 174738600.

The previous prime is 349477199. The next prime is 349477223. The reversal of 349477208 is 802774943.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×349477208² = 244268637822950528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21842318 + ... + 21842333.

Almost surely, 2^349477208 is an apocalyptic number.

It is an amenable number.

349477208 is a deficient number, since it is larger than the sum of its proper divisors (305792572).

349477208 is a wasteful number, since it uses less digits than its factorization.

349477208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43684657 (or 43684653 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 349477208 is about 18694.3095085109. The cubic root of 349477208 is about 704.3788153674.

The spelling of 349477208 in words is "three hundred forty-nine million, four hundred seventy-seven thousand, two hundred eight".