28654662 has 32 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 9308000.

The previous prime is 28654657. The next prime is 28654663. The reversal of 28654662 is 26645682.

It is a self number, because there is not a number n which added to its sum of digits gives 28654662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28654663) 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 15 ways as a sum of consecutive naturals, for example, 79639 + ... + 79997.

It is an arithmetic number, because the mean of its divisors is an integer number (1837080).

Almost surely, 2^28654662 is an apocalyptic number.

28654662 is an abundant number, since it is smaller than the sum of its proper divisors (30131898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28654662 is a wasteful number, since it uses less digits than its factorization.

28654662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 138240, while the sum is 39.

The square root of 28654662 is about 5353.0049504928. The cubic root of 28654662 is about 306.0072833501.

The spelling of 28654662 in words is "twenty-eight million, six hundred fifty-four thousand, six hundred sixty-two".