349076549 has 4 divisors (see below), whose sum is σ = 352165836. Its totient is φ = 345987264.

The previous prime is 349076527. The next prime is 349076551. The reversal of 349076549 is 945670943.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17181025 + 331895524 = 4145^2 + 18218^2 .

It is a cyclic number.

It is not a de Polignac number, because 349076549 - 2⁸ = 349076293 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349076599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544474 + ... + 1544699.

It is an arithmetic number, because the mean of its divisors is an integer number (88041459).

Almost surely, 2^349076549 is an apocalyptic number.

It is an amenable number.

349076549 is a deficient number, since it is larger than the sum of its proper divisors (3089287).

349076549 is a wasteful number, since it uses less digits than its factorization.

349076549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089286.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 349076549 is about 18683.5903669504. The cubic root of 349076549 is about 704.1095334962.

The spelling of 349076549 in words is "three hundred forty-nine million, seventy-six thousand, five hundred forty-nine".