28050949 has 2 divisors, whose sum is σ = 28050950. Its totient is φ = 28050948.

The previous prime is 28050943. The next prime is 28050991. The reversal of 28050949 is 94905082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28037025 + 13924 = 5295^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 28050949 - 2¹¹ = 28048901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28050943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14025474 + 14025475.

It is an arithmetic number, because the mean of its divisors is an integer number (14025475).

Almost surely, 2^28050949 is an apocalyptic number.

It is an amenable number.

28050949 is a deficient number, since it is larger than the sum of its proper divisors (1).

28050949 is an equidigital number, since it uses as much as digits as its factorization.

28050949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 28050949 is about 5296.3146621023. The cubic root of 28050949 is about 303.8429655547.

The spelling of 28050949 in words is "twenty-eight million, fifty thousand, nine hundred forty-nine".