28886026 has 16 divisors (see below), whose sum is σ = 49407624. Its totient is φ = 12547584.

The previous prime is 28886003. The next prime is 28886057. The reversal of 28886026 is 62068882.

It can be written as a sum of positive squares in 4 ways, for example, as 27552001 + 1334025 = 5249^2 + 1155^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28886026.

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, 32235 + ... + 33118.

Almost surely, 2^28886026 is an apocalyptic number.

28886026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28886026 is a deficient number, since it is larger than the sum of its proper divisors (20521598).

28886026 is a wasteful number, since it uses less digits than its factorization.

28886026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65385.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 28886026 is about 5374.5721690196. The cubic root of 28886026 is about 306.8286665072.

The spelling of 28886026 in words is "twenty-eight million, eight hundred eighty-six thousand, twenty-six".