4609986 has 16 divisors (see below), whose sum is σ = 9332064. Its totient is φ = 1517984.

The previous prime is 4609949. The next prime is 4610003. The reversal of 4609986 is 6899064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4131 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (583254).

Almost surely, 2^4609986 is an apocalyptic number.

4609986 is an abundant number, since it is smaller than the sum of its proper divisors (4722078).

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

4609986 is a wasteful number, since it uses less digits than its factorization.

4609986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 4609986 is about 2147.0877951309. The cubic root of 4609986 is about 166.4306089294.

The spelling of 4609986 in words is "four million, six hundred nine thousand, nine hundred eighty-six".