28826801 has 2 divisors, whose sum is σ = 28826802. Its totient is φ = 28826800.

The previous prime is 28826779. The next prime is 28826803. The reversal of 28826801 is 10862882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28633201 + 193600 = 5351^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 28826801 - 2²² = 24632497 is a prime.

Together with 28826803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28826803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14413400 + 14413401.

It is an arithmetic number, because the mean of its divisors is an integer number (14413401).

Almost surely, 2^28826801 is an apocalyptic number.

It is an amenable number.

28826801 is a deficient number, since it is larger than the sum of its proper divisors (1).

28826801 is an equidigital number, since it uses as much as digits as its factorization.

28826801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 28826801 is about 5369.0596010847. The cubic root of 28826801 is about 306.6188261593.

The spelling of 28826801 in words is "twenty-eight million, eight hundred twenty-six thousand, eight hundred one".