28819608 has 32 divisors (see below), whose sum is σ = 72437760. Its totient is φ = 9554720.

The previous prime is 28819603. The next prime is 28819613. The reversal of 28819608 is 80691882.

It is an interprime number because it is at equal distance from previous prime (28819603) and next prime (28819613).

It is a self number, because there is not a number n which added to its sum of digits gives 28819608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28819603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (2263680).

Almost surely, 2^28819608 is an apocalyptic number.

It is an amenable number.

28819608 is an abundant number, since it is smaller than the sum of its proper divisors (43618152).

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

28819608 is a wasteful number, since it uses less digits than its factorization.

28819608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487 (or 6483 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 28819608 is about 5368.3897026948. The cubic root of 28819608 is about 306.5933210436.

The spelling of 28819608 in words is "twenty-eight million, eight hundred nineteen thousand, six hundred eight".