28852818 has 8 divisors (see below), whose sum is σ = 57705648. Its totient is φ = 9617604.

The previous prime is 28852801. The next prime is 28852841. The reversal of 28852818 is 81825882.

It is a sphenic number, since it is the product of 3 distinct primes.

28852818 is an admirable number.

It is a super-2 number, since 2×28852818² = 1664970213082248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28852818.

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, 2404396 + ... + 2404407.

It is an arithmetic number, because the mean of its divisors is an integer number (7213206).

Almost surely, 2^28852818 is an apocalyptic number.

28852818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28852818 is a wasteful number, since it uses less digits than its factorization.

28852818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808808.

The product of its digits is 81920, while the sum is 42.

The square root of 28852818 is about 5371.4819184281. The cubic root of 28852818 is about 306.7110424651.

The spelling of 28852818 in words is "twenty-eight million, eight hundred fifty-two thousand, eight hundred eighteen".