28764952 has 16 divisors (see below), whose sum is σ = 57107160. Its totient is φ = 13536384.

The previous prime is 28764943. The next prime is 28764959. The reversal of 28764952 is 25946782.

It is a junction number, because it is equal to n+sod(n) for n = 28764899 and 28764908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28764959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105618 + ... + 105889.

Almost surely, 2^28764952 is an apocalyptic number.

It is an amenable number.

28764952 is a deficient number, since it is larger than the sum of its proper divisors (28342208).

28764952 is a wasteful number, since it uses less digits than its factorization.

28764952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211530 (or 211526 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 28764952 is about 5363.2967473374. The cubic root of 28764952 is about 306.3993816838.

The spelling of 28764952 in words is "twenty-eight million, seven hundred sixty-four thousand, nine hundred fifty-two".