849498187 has 4 divisors (see below), whose sum is σ = 849683520. Its totient is φ = 849312856.

The previous prime is 849498127. The next prime is 849498191. The reversal of 849498187 is 781894948.

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

It is a cyclic number.

It is not a de Polignac number, because 849498187 - 2²³ = 841109579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849498127) 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, 85612 + ... + 95017.

It is an arithmetic number, because the mean of its divisors is an integer number (212420880).

Almost surely, 2^849498187 is an apocalyptic number.

849498187 is a deficient number, since it is larger than the sum of its proper divisors (185333).

849498187 is a wasteful number, since it uses less digits than its factorization.

849498187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185332.

The product of its digits is 4644864, while the sum is 58.

The square root of 849498187 is about 29146.1521817203. The cubic root of 849498187 is about 947.0817881307.

The spelling of 849498187 in words is "eight hundred forty-nine million, four hundred ninety-eight thousand, one hundred eighty-seven".