4490986 has 8 divisors (see below), whose sum is σ = 6918660. Its totient is φ = 2184768.

The previous prime is 4490977. The next prime is 4490987. The reversal of 4490986 is 6890944.

It can be written as a sum of positive squares in 2 ways, for example, as 4124961 + 366025 = 2031^2 + 605^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4490987) 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, 30271 + ... + 30418.

Almost surely, 2^4490986 is an apocalyptic number.

4490986 is a deficient number, since it is larger than the sum of its proper divisors (2427674).

4490986 is a wasteful number, since it uses less digits than its factorization.

4490986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60728.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4490986 is about 2119.1946583549. The cubic root of 4490986 is about 164.9860533054.

It can be divided in two parts, 4490 and 986, that added together give a square (5476 = 74²).

The spelling of 4490986 in words is "four million, four hundred ninety thousand, nine hundred eighty-six".