4989185 has 8 divisors (see below), whose sum is σ = 6069480. Its totient is φ = 3936384.

The previous prime is 4989181. The next prime is 4989199. The reversal of 4989185 is 5819894.

It can be written as a sum of positive squares in 4 ways, for example, as 1100401 + 3888784 = 1049^2 + 1972^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4989185 - 2² = 4989181 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 6470 + ... + 7199.

It is an arithmetic number, because the mean of its divisors is an integer number (758685).

Almost surely, 2^4989185 is an apocalyptic number.

It is an amenable number.

4989185 is a deficient number, since it is larger than the sum of its proper divisors (1080295).

4989185 is a wasteful number, since it uses less digits than its factorization.

4989185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13747.

The product of its digits is 103680, while the sum is 44.

The square root of 4989185 is about 2233.6483608661. The cubic root of 4989185 is about 170.8742164034.

The spelling of 4989185 in words is "four million, nine hundred eighty-nine thousand, one hundred eighty-five".