4028662 has 16 divisors (see below), whose sum is σ = 6642000. Its totient is φ = 1817440.

The previous prime is 4028641. The next prime is 4028663. The reversal of 4028662 is 2668204.

It is a self number, because there is not a number n which added to its sum of digits gives 4028662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028663) 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, 2664 + ... + 3892.

It is an arithmetic number, because the mean of its divisors is an integer number (415125).

Almost surely, 2^4028662 is an apocalyptic number.

4028662 is the 1639-th pentagonal number.

4028662 is a deficient number, since it is larger than the sum of its proper divisors (2613338).

4028662 is a wasteful number, since it uses less digits than its factorization.

4028662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 4028662 is about 2007.1527096860. The cubic root of 4028662 is about 159.1183539245.

The spelling of 4028662 in words is "four million, twenty-eight thousand, six hundred sixty-two".