28859088 has 20 divisors (see below), whose sum is σ = 74552768. Its totient is φ = 9619680.

The previous prime is 28859069. The next prime is 28859107. The reversal of 28859088 is 88095882.

It is an interprime number because it is at equal distance from previous prime (28859069) and next prime (28859107).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 601231 = 28859088 / (2 + 8 + 8 + 5 + 9 + 0 + 8 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300568 + ... + 300663.

Almost surely, 2^28859088 is an apocalyptic number.

It is an amenable number.

28859088 is an abundant number, since it is smaller than the sum of its proper divisors (45693680).

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

28859088 is a wasteful number, since it uses less digits than its factorization.

28859088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601242 (or 601236 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The square root of 28859088 is about 5372.0655245445. The cubic root of 28859088 is about 306.7332579607.

The spelling of 28859088 in words is "twenty-eight million, eight hundred fifty-nine thousand, eighty-eight".