28849608 has 60 divisors (see below), whose sum is σ = 81190395. Its totient is φ = 9570960.

The previous prime is 28849591. The next prime is 28849669. The reversal of 28849608 is 80694882.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 14424804 + 14424804 = 3798^2 + 3798^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3798.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 136623 + ... + 136833.

Almost surely, 2^28849608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28849608

28849608 is an abundant number, since it is smaller than the sum of its proper divisors (52340787).

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

28849608 is an equidigital number, since it uses as much as digits as its factorization.

28849608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 28849608 is about 5371.1831098930. The cubic root of 28849608 is about 306.6996677361.

The spelling of 28849608 in words is "twenty-eight million, eight hundred forty-nine thousand, six hundred eight".