28827534 has 8 divisors (see below), whose sum is σ = 57655080. Its totient is φ = 9609176.

The previous prime is 28827517. The next prime is 28827553. The reversal of 28827534 is 43572882.

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

28827534 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28827492 and 28827501.

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, 2402289 + ... + 2402300.

It is an arithmetic number, because the mean of its divisors is an integer number (7206885).

Almost surely, 2^28827534 is an apocalyptic number.

28827534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28827534 is a wasteful number, since it uses less digits than its factorization.

28827534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804594.

The product of its digits is 107520, while the sum is 39.

The square root of 28827534 is about 5369.1278621393. The cubic root of 28827534 is about 306.6214250105.

The spelling of 28827534 in words is "twenty-eight million, eight hundred twenty-seven thousand, five hundred thirty-four".