17949349 has 8 divisors (see below), whose sum is σ = 20059200. Its totient is φ = 15919200.

The previous prime is 17949343. The next prime is 17949377. The reversal of 17949349 is 94394971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17949349 - 2⁷ = 17949221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17949299 and 17949308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17949343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19449 + ... + 20350.

It is an arithmetic number, because the mean of its divisors is an integer number (2507400).

Almost surely, 2^17949349 is an apocalyptic number.

It is an amenable number.

17949349 is a deficient number, since it is larger than the sum of its proper divisors (2109851).

17949349 is a wasteful number, since it uses less digits than its factorization.

17949349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39851.

The product of its digits is 244944, while the sum is 46.

The square root of 17949349 is about 4236.6672043010. The cubic root of 17949349 is about 261.8280877949.

The spelling of 17949349 in words is "seventeen million, nine hundred forty-nine thousand, three hundred forty-nine".