28826826 has 16 divisors (see below), whose sum is σ = 65889984. Its totient is φ = 8236224.

The previous prime is 28826821. The next prime is 28826851. The reversal of 28826826 is 62862882.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 686353 = 28826826 / (2 + 8 + 8 + 2 + 6 + 8 + 2 + 6).

It is not an unprimeable number, because it can be changed into a prime (28826821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343135 + ... + 343218.

It is an arithmetic number, because the mean of its divisors is an integer number (4118124).

Almost surely, 2^28826826 is an apocalyptic number.

28826826 is an abundant number, since it is smaller than the sum of its proper divisors (37063158).

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

28826826 is a wasteful number, since it uses less digits than its factorization.

28826826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686365.

The product of its digits is 147456, while the sum is 42.

The square root of 28826826 is about 5369.0619292387. The cubic root of 28826826 is about 306.6189147975.

The spelling of 28826826 in words is "twenty-eight million, eight hundred twenty-six thousand, eight hundred twenty-six".