28828026 has 36 divisors (see below), whose sum is σ = 63487086. Its totient is φ = 9453600.

The previous prime is 28828021. The next prime is 28828031. The reversal of 28828026 is 62082882.

It is an interprime number because it is at equal distance from previous prime (28828021) and next prime (28828031).

It can be written as a sum of positive squares in 3 ways, for example, as 28611801 + 216225 = 5349^2 + 465^2 .

It is not an unprimeable number, because it can be changed into a prime (28828021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 183540 + ... + 183696.

Almost surely, 2^28828026 is an apocalyptic number.

28828026 is an abundant number, since it is smaller than the sum of its proper divisors (34659060).

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

28828026 is a wasteful number, since it uses less digits than its factorization.

28828026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 28828026 is about 5369.1736794408. The cubic root of 28828026 is about 306.6231693715.

The spelling of 28828026 in words is "twenty-eight million, eight hundred twenty-eight thousand, twenty-six".