28495849 has 2 divisors, whose sum is σ = 28495850. Its totient is φ = 28495848.

The previous prime is 28495847. The next prime is 28495867. The reversal of 28495849 is 94859482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 8020224 = 4525^2 + 2832^2 .

It is a cyclic number.

It is not a de Polignac number, because 28495849 - 2¹ = 28495847 is a prime.

Together with 28495847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28495843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14247924 + 14247925.

It is an arithmetic number, because the mean of its divisors is an integer number (14247925).

Almost surely, 2^28495849 is an apocalyptic number.

It is an amenable number.

28495849 is a deficient number, since it is larger than the sum of its proper divisors (1).

28495849 is an equidigital number, since it uses as much as digits as its factorization.

28495849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The square root of 28495849 is about 5338.1503350880. The cubic root of 28495849 is about 305.4409067077.

The spelling of 28495849 in words is "twenty-eight million, four hundred ninety-five thousand, eight hundred forty-nine".