28649183 has 2 divisors, whose sum is σ = 28649184. Its totient is φ = 28649182.

The previous prime is 28649167. The next prime is 28649221. The reversal of 28649183 is 38194682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28649183 - 2⁴ = 28649167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28649183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28649123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14324591 + 14324592.

It is an arithmetic number, because the mean of its divisors is an integer number (14324592).

Almost surely, 2^28649183 is an apocalyptic number.

28649183 is a deficient number, since it is larger than the sum of its proper divisors (1).

28649183 is an equidigital number, since it uses as much as digits as its factorization.

28649183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 28649183 is about 5352.4931573987. The cubic root of 28649183 is about 305.9877784288.

The spelling of 28649183 in words is "twenty-eight million, six hundred forty-nine thousand, one hundred eighty-three".