28282826 has 24 divisors (see below), whose sum is σ = 50121504. Its totient is φ = 11865360.

The previous prime is 28282823. The next prime is 28282829. The reversal of 28282826 is 62828282.

It is an interprime number because it is at equal distance from previous prime (28282823) and next prime (28282829).

It is a self number, because there is not a number n which added to its sum of digits gives 28282826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28282823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86 + ... + 7521.

It is an arithmetic number, because the mean of its divisors is an integer number (2088396).

Almost surely, 2^28282826 is an apocalyptic number.

28282826 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28282826 is a deficient number, since it is larger than the sum of its proper divisors (21838678).

28282826 is a wasteful number, since it uses less digits than its factorization.

28282826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7646 (or 7633 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 28282826 is about 5318.1600201573. The cubic root of 28282826 is about 304.6778862152.

It can be divided in two parts, 2 and 8282826, that added together give a palindrome (8282828).

The spelling of 28282826 in words is "twenty-eight million, two hundred eighty-two thousand, eight hundred twenty-six".