28040662 has 16 divisors (see below), whose sum is σ = 45384192. Its totient is φ = 12916800.

The previous prime is 28040659. The next prime is 28040699. The reversal of 28040662 is 26604082.

It is a self number, because there is not a number n which added to its sum of digits gives 28040662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23787 + ... + 24937.

It is an arithmetic number, because the mean of its divisors is an integer number (2836512).

Almost surely, 2^28040662 is an apocalyptic number.

28040662 is a deficient number, since it is larger than the sum of its proper divisors (17343530).

28040662 is a wasteful number, since it uses less digits than its factorization.

28040662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103.

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

The square root of 28040662 is about 5295.3434260679. The cubic root of 28040662 is about 303.8058186862.

The spelling of 28040662 in words is "twenty-eight million, forty thousand, six hundred sixty-two".