4028986 has 16 divisors (see below), whose sum is σ = 6590304. Its totient is φ = 1836144.

The previous prime is 4028963. The next prime is 4028987. The reversal of 4028986 is 6898204.

It is not an unprimeable number, because it can be changed into a prime (4028987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (411894).

Almost surely, 2^4028986 is an apocalyptic number.

4028986 is a deficient number, since it is larger than the sum of its proper divisors (2561318).

4028986 is a wasteful number, since it uses less digits than its factorization.

4028986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 4028986 is about 2007.2334194109. The cubic root of 4028986 is about 159.1226194403.

The spelling of 4028986 in words is "four million, twenty-eight thousand, nine hundred eighty-six".