28966248 has 40 divisors (see below), whose sum is σ = 81134130. Its totient is φ = 9655200.

The previous prime is 28966247. The next prime is 28966297. The reversal of 28966248 is 84266982.

It can be written as a sum of positive squares in only one way, i.e., 28965924 + 324 = 5382^2 + 18^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28966247) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21703 + ... + 22998.

Almost surely, 2^28966248 is an apocalyptic number.

It is an amenable number.

28966248 is an abundant number, since it is smaller than the sum of its proper divisors (52167882).

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

28966248 is a wasteful number, since it uses less digits than its factorization.

28966248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44719 (or 44706 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 28966248 is about 5382.0301002503. The cubic root of 28966248 is about 307.1124445305.

The spelling of 28966248 in words is "twenty-eight million, nine hundred sixty-six thousand, two hundred forty-eight".