28014149 has 2 divisors, whose sum is σ = 28014150. Its totient is φ = 28014148.

The previous prime is 28014139. The next prime is 28014167. The reversal of 28014149 is 94141082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17581249 + 10432900 = 4193^2 + 3230^2 .

It is a cyclic number.

It is not a de Polignac number, because 28014149 - 2⁸ = 28013893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28014139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14007074 + 14007075.

It is an arithmetic number, because the mean of its divisors is an integer number (14007075).

Almost surely, 2^28014149 is an apocalyptic number.

It is an amenable number.

28014149 is a deficient number, since it is larger than the sum of its proper divisors (1).

28014149 is an equidigital number, since it uses as much as digits as its factorization.

28014149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 28014149 is about 5292.8394081060. The cubic root of 28014149 is about 303.7100370238.

The spelling of 28014149 in words is "twenty-eight million, fourteen thousand, one hundred forty-nine".