349202249 has 12 divisors (see below), whose sum is σ = 384289668. Its totient is φ = 317079840.

The previous prime is 349202237. The next prime is 349202251. The reversal of 349202249 is 942202943.

It can be written as a sum of positive squares in 2 ways, for example, as 274068025 + 75134224 = 16555^2 + 8668^2 .

It is a de Polignac number, because none of the positive numbers 2^k-349202249 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349202209) 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 11 ways as a sum of consecutive naturals, for example, 179687 + ... + 181619.

It is an arithmetic number, because the mean of its divisors is an integer number (32024139).

Almost surely, 2^349202249 is an apocalyptic number.

It is an amenable number.

349202249 is a deficient number, since it is larger than the sum of its proper divisors (35087419).

349202249 is a wasteful number, since it uses less digits than its factorization.

349202249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448 (or 3437 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 349202249 is about 18686.9539786451. The cubic root of 349202249 is about 704.1940383106.

The spelling of 349202249 in words is "three hundred forty-nine million, two hundred two thousand, two hundred forty-nine".