28464527 has 32 divisors (see below), whose sum is σ = 37470720. Its totient is φ = 20995200.

The previous prime is 28464521. The next prime is 28464529. The reversal of 28464527 is 72546482.

It is a cyclic number.

It is not a de Polignac number, because 28464527 - 2⁶ = 28464463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28464521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174548 + ... + 174710.

It is an arithmetic number, because the mean of its divisors is an integer number (1170960).

Almost surely, 2^28464527 is an apocalyptic number.

28464527 is a deficient number, since it is larger than the sum of its proper divisors (9006193).

28464527 is a wasteful number, since it uses less digits than its factorization.

28464527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its digits is 107520, while the sum is 38.

The square root of 28464527 is about 5335.2157407175. The cubic root of 28464527 is about 305.3289544077.

The spelling of 28464527 in words is "twenty-eight million, four hundred sixty-four thousand, five hundred twenty-seven".