4995986 has 16 divisors (see below), whose sum is σ = 7682688. Its totient is φ = 2436000.

The previous prime is 4995983. The next prime is 4995997. The reversal of 4995986 is 6895994.

It is a super-2 number, since 2×4995986² = 49919752224392, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4995983) by changing a digit.

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, 21326 + ... + 21558.

It is an arithmetic number, because the mean of its divisors is an integer number (480168).

Almost surely, 2^4995986 is an apocalyptic number.

4995986 is a deficient number, since it is larger than the sum of its proper divisors (2686702).

4995986 is a wasteful number, since it uses less digits than its factorization.

4995986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its digits is 699840, while the sum is 50.

The square root of 4995986 is about 2235.1702396014. The cubic root of 4995986 is about 170.9518234608.

The spelling of 4995986 in words is "four million, nine hundred ninety-five thousand, nine hundred eighty-six".