28110649 has 8 divisors (see below), whose sum is σ = 32533760. Its totient is φ = 23789376.

The previous prime is 28110637. The next prime is 28110661. The reversal of 28110649 is 94601182.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28110637) and next prime (28110661).

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 28110649 - 2¹¹ = 28108601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28110649.

It is not an unprimeable number, because it can be changed into a prime (28110629) 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, 24864 + ... + 25969.

It is an arithmetic number, because the mean of its divisors is an integer number (4066720).

Almost surely, 2^28110649 is an apocalyptic number.

It is an amenable number.

28110649 is a deficient number, since it is larger than the sum of its proper divisors (4423111).

28110649 is an equidigital number, since it uses as much as digits as its factorization.

28110649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50919.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 28110649 is about 5301.9476610016. The cubic root of 28110649 is about 304.0583661306.

The spelling of 28110649 in words is "twenty-eight million, one hundred ten thousand, six hundred forty-nine".