17993049 has 16 divisors (see below), whose sum is σ = 24809664. Its totient is φ = 11592000.

The previous prime is 17993047. The next prime is 17993071. The reversal of 17993049 is 94039971.

It is not a de Polignac number, because 17993049 - 2¹ = 17993047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17993049.

It is not an unprimeable number, because it can be changed into a prime (17993047) 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 15 ways as a sum of consecutive naturals, for example, 12339 + ... + 13719.

It is an arithmetic number, because the mean of its divisors is an integer number (1550604).

Almost surely, 2^17993049 is an apocalyptic number.

It is an amenable number.

17993049 is a deficient number, since it is larger than the sum of its proper divisors (6816615).

17993049 is a wasteful number, since it uses less digits than its factorization.

17993049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 17993049 is about 4241.8214248127. The cubic root of 17993049 is about 262.0404003119.

The spelling of 17993049 in words is "seventeen million, nine hundred ninety-three thousand, forty-nine".