18952849 has 4 divisors (see below), whose sum is σ = 18971136. Its totient is φ = 18934564.

The previous prime is 18952837. The next prime is 18952877. The reversal of 18952849 is 94825981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18952849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18952799 and 18952808.

It is not an unprimeable number, because it can be changed into a prime (18952819) 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, 7489 + ... + 9694.

It is an arithmetic number, because the mean of its divisors is an integer number (4742784).

Almost surely, 2^18952849 is an apocalyptic number.

It is an amenable number.

18952849 is a deficient number, since it is larger than the sum of its proper divisors (18287).

18952849 is a wasteful number, since it uses less digits than its factorization.

18952849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18286.

The product of its digits is 207360, while the sum is 46.

The square root of 18952849 is about 4353.4869932044. The cubic root of 18952849 is about 266.6192490342.

The spelling of 18952849 in words is "eighteen million, nine hundred fifty-two thousand, eight hundred forty-nine".