28794949 has 2 divisors, whose sum is σ = 28794950. Its totient is φ = 28794948.

The previous prime is 28794929. The next prime is 28795003. The reversal of 28794949 is 94949782.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25070049 + 3724900 = 5007^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 28794949 - 2¹³ = 28786757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28794896 and 28794905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28794929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14397474 + 14397475.

It is an arithmetic number, because the mean of its divisors is an integer number (14397475).

Almost surely, 2^28794949 is an apocalyptic number.

It is an amenable number.

28794949 is a deficient number, since it is larger than the sum of its proper divisors (1).

28794949 is an equidigital number, since it uses as much as digits as its factorization.

28794949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 28794949 is about 5366.0925262243. The cubic root of 28794949 is about 306.5058523313.

The spelling of 28794949 in words is "twenty-eight million, seven hundred ninety-four thousand, nine hundred forty-nine".