4989186 has 12 divisors (see below), whose sum is σ = 10809942. Its totient is φ = 1663056.

The previous prime is 4989181. The next prime is 4989199. The reversal of 4989186 is 6819894.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 2013561 = 1725^2 + 1419^2 .

It is not an unprimeable number, because it can be changed into a prime (4989181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138571 + ... + 138606.

Almost surely, 2^4989186 is an apocalyptic number.

4989186 is an abundant number, since it is smaller than the sum of its proper divisors (5820756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4989186 is a wasteful number, since it uses less digits than its factorization.

4989186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277185 (or 277182 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 4989186 is about 2233.6485847152. The cubic root of 4989186 is about 170.8742278197.

The spelling of 4989186 in words is "four million, nine hundred eighty-nine thousand, one hundred eighty-six".