28826641 has 8 divisors (see below), whose sum is σ = 29620800. Its totient is φ = 28038192.

The previous prime is 28826599. The next prime is 28826653. The reversal of 28826641 is 14662882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28826641 - 2⁷ = 28826513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28826641.

It is not an unprimeable number, because it can be changed into a prime (28826671) 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, 10035 + ... + 12583.

It is an arithmetic number, because the mean of its divisors is an integer number (3702600).

Almost surely, 2^28826641 is an apocalyptic number.

It is an amenable number.

28826641 is a deficient number, since it is larger than the sum of its proper divisors (794159).

28826641 is a wasteful number, since it uses less digits than its factorization.

28826641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855.

The product of its digits is 36864, while the sum is 37.

The square root of 28826641 is about 5369.0447008756. The cubic root of 28826641 is about 306.6182588735.

The spelling of 28826641 in words is "twenty-eight million, eight hundred twenty-six thousand, six hundred forty-one".