28833536 has 72 divisors (see below), whose sum is σ = 61810560. Its totient is φ = 13392896.

The previous prime is 28833527. The next prime is 28833577. The reversal of 28833536 is 63533882.

28833536 = T₄₈₀ + T₄₈₁ + ... + T₆₅₆.

It is a self number, because there is not a number n which added to its sum of digits gives 28833536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347351 + ... + 347433.

It is an arithmetic number, because the mean of its divisors is an integer number (858480).

Almost surely, 2^28833536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28833536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30905280).

28833536 is an abundant number, since it is smaller than the sum of its proper divisors (32977024).

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

28833536 is an equidigital number, since it uses as much as digits as its factorization.

28833536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 167 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 28833536 is about 5369.6867692632. The cubic root of 28833536 is about 306.6427034415.

The spelling of 28833536 in words is "twenty-eight million, eight hundred thirty-three thousand, five hundred thirty-six".