4505986 has 8 divisors (see below), whose sum is σ = 7156620. Its totient is φ = 2120448.

The previous prime is 4505947. The next prime is 4505993. The reversal of 4505986 is 6895054.

It can be written as a sum of positive squares in 2 ways, for example, as 4473225 + 32761 = 2115^2 + 181^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66231 + ... + 66298.

Almost surely, 2^4505986 is an apocalyptic number.

4505986 is a deficient number, since it is larger than the sum of its proper divisors (2650634).

4505986 is a wasteful number, since it uses less digits than its factorization.

4505986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132548.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 4505986 is about 2122.7307883950. The cubic root of 4505986 is about 165.1695349591.

The spelling of 4505986 in words is "four million, five hundred five thousand, nine hundred eighty-six".