4026986 has 8 divisors (see below), whose sum is σ = 6143040. Its totient is φ = 1979308.

The previous prime is 4026973. The next prime is 4026989. The reversal of 4026986 is 6896204.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4026989) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16946 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (767880).

Almost surely, 2^4026986 is an apocalyptic number.

4026986 is a deficient number, since it is larger than the sum of its proper divisors (2116054).

4026986 is a wasteful number, since it uses less digits than its factorization.

4026986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34188.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4026986 is about 2006.7351594069. The cubic root of 4026986 is about 159.0962854435.

The spelling of 4026986 in words is "four million, twenty-six thousand, nine hundred eighty-six".