28412567 has 16 divisors (see below), whose sum is σ = 30523392. Its totient is φ = 26389440.

The previous prime is 28412557. The next prime is 28412569. The reversal of 28412567 is 76521482.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28412567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28412569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207323 + ... + 207459.

It is an arithmetic number, because the mean of its divisors is an integer number (1907712).

Almost surely, 2^28412567 is an apocalyptic number.

28412567 is a deficient number, since it is larger than the sum of its proper divisors (2110825).

28412567 is a wasteful number, since it uses less digits than its factorization.

28412567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its digits is 26880, while the sum is 35.

The square root of 28412567 is about 5330.3439851477. The cubic root of 28412567 is about 305.1430557078.

The spelling of 28412567 in words is "twenty-eight million, four hundred twelve thousand, five hundred sixty-seven".