28986064 has 20 divisors (see below), whose sum is σ = 56476420. Its totient is φ = 14411520.

The previous prime is 28986053. The next prime is 28986073. The reversal of 28986064 is 46068982.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15147664 + 13838400 = 3892^2 + 3720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28986064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109 + ... + 7900.

It is an arithmetic number, because the mean of its divisors is an integer number (2823821).

Almost surely, 2^28986064 is an apocalyptic number.

It is an amenable number.

28986064 is a deficient number, since it is larger than the sum of its proper divisors (27490356).

28986064 is a wasteful number, since it uses less digits than its factorization.

28986064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198 (or 10192 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 28986064 is about 5383.8707265312. The cubic root of 28986064 is about 307.1824611117.

The spelling of 28986064 in words is "twenty-eight million, nine hundred eighty-six thousand, sixty-four".