28412568 has 24 divisors (see below), whose sum is σ = 76950900. Its totient is φ = 9470832.

The previous prime is 28412557. The next prime is 28412569. The reversal of 28412568 is 86521482.

28412568 is a `hidden beast` number, since 2 + 84 + 12 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197238 + ... + 197381.

Almost surely, 2^28412568 is an apocalyptic number.

It is an amenable number.

28412568 is an abundant number, since it is smaller than the sum of its proper divisors (48538332).

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

28412568 is a wasteful number, since it uses less digits than its factorization.

28412568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394631 (or 394624 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 28412568 is about 5330.3440789503. The cubic root of 28412568 is about 305.1430592877.

The spelling of 28412568 in words is "twenty-eight million, four hundred twelve thousand, five hundred sixty-eight".