28853764 has 6 divisors (see below), whose sum is σ = 50494094. Its totient is φ = 14426880.

The previous prime is 28853749. The next prime is 28853767. The reversal of 28853764 is 46735882.

It can be written as a sum of positive squares in only one way, i.e., 25401600 + 3452164 = 5040^2 + 1858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28853764.

It is not an unprimeable number, because it can be changed into a prime (28853767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606717 + ... + 3606724.

Almost surely, 2^28853764 is an apocalyptic number.

It is an amenable number.

28853764 is a deficient number, since it is larger than the sum of its proper divisors (21640330).

28853764 is a wasteful number, since it uses less digits than its factorization.

28853764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213445 (or 7213443 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 28853764 is about 5371.5699753424. The cubic root of 28853764 is about 306.7143944829.

The spelling of 28853764 in words is "twenty-eight million, eight hundred fifty-three thousand, seven hundred sixty-four".