4455986 has 16 divisors (see below), whose sum is σ = 6849024. Its totient is φ = 2173824.

The previous prime is 4455977. The next prime is 4455991. The reversal of 4455986 is 6895544.

It is a happy number.

It is a super-2 number, since 2×4455986² = 39711622464392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19871 + ... + 20093.

It is an arithmetic number, because the mean of its divisors is an integer number (428064).

Almost surely, 2^4455986 is an apocalyptic number.

4455986 is a deficient number, since it is larger than the sum of its proper divisors (2393038).

4455986 is a wasteful number, since it uses less digits than its factorization.

4455986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 172800, while the sum is 41.

The square root of 4455986 is about 2110.9206522274. The cubic root of 4455986 is about 164.5563348902.

The spelling of 4455986 in words is "four million, four hundred fifty-five thousand, nine hundred eighty-six".