28861848 has 24 divisors (see below), whose sum is σ = 78167700. Its totient is φ = 9620592.

The previous prime is 28861843. The next prime is 28861853. The reversal of 28861848 is 84816882.

It is a happy number.

28861848 is a `hidden beast` number, since 28 + 8 + 618 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (28861843) and next prime (28861853).

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28861843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200358 + ... + 200501.

Almost surely, 2^28861848 is an apocalyptic number.

It is an amenable number.

28861848 is an abundant number, since it is smaller than the sum of its proper divisors (49305852).

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

28861848 is a wasteful number, since it uses less digits than its factorization.

28861848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400871 (or 400864 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The square root of 28861848 is about 5372.3224028347. The cubic root of 28861848 is about 306.7430360106.

The spelling of 28861848 in words is "twenty-eight million, eight hundred sixty-one thousand, eight hundred forty-eight".