28846849 has 2 divisors, whose sum is σ = 28846850. Its totient is φ = 28846848.

The previous prime is 28846843. The next prime is 28846859. The reversal of 28846849 is 94864882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18766224 + 10080625 = 4332^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 28846849 - 2⁷ = 28846721 is a prime.

It is not a weakly prime, because it can be changed into another prime (28846843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14423424 + 14423425.

It is an arithmetic number, because the mean of its divisors is an integer number (14423425).

Almost surely, 2^28846849 is an apocalyptic number.

It is an amenable number.

28846849 is a deficient number, since it is larger than the sum of its proper divisors (1).

28846849 is an equidigital number, since it uses as much as digits as its factorization.

28846849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 49.

The square root of 28846849 is about 5370.9262702070. The cubic root of 28846849 is about 306.6898904645.

The spelling of 28846849 in words is "twenty-eight million, eight hundred forty-six thousand, eight hundred forty-nine".