28264529 has 8 divisors (see below), whose sum is σ = 29728512. Its totient is φ = 26835120.

The previous prime is 28264519. The next prime is 28264573. The reversal of 28264529 is 92546282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28264529 - 2⁸ = 28264273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28264492 and 28264501.

It is not an unprimeable number, because it can be changed into a prime (28264519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6959 + ... + 10244.

It is an arithmetic number, because the mean of its divisors is an integer number (3716064).

Almost surely, 2^28264529 is an apocalyptic number.

It is an amenable number.

28264529 is a deficient number, since it is larger than the sum of its proper divisors (1463983).

28264529 is a wasteful number, since it uses less digits than its factorization.

28264529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17287.

The product of its digits is 69120, while the sum is 38.

The square root of 28264529 is about 5316.4395040290. The cubic root of 28264529 is about 304.6121703179.

The spelling of 28264529 in words is "twenty-eight million, two hundred sixty-four thousand, five hundred twenty-nine".