28034969 has 2 divisors, whose sum is σ = 28034970. Its totient is φ = 28034968.

The previous prime is 28034959. The next prime is 28034977. The reversal of 28034969 is 96943082.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16711744 + 11323225 = 4088^2 + 3365^2 .

It is a cyclic number.

It is not a de Polignac number, because 28034969 - 2¹⁶ = 27969433 is a prime.

It is a super-2 number, since 2×28034969² = 1571918973661922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28034959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14017484 + 14017485.

It is an arithmetic number, because the mean of its divisors is an integer number (14017485).

Almost surely, 2^28034969 is an apocalyptic number.

It is an amenable number.

28034969 is a deficient number, since it is larger than the sum of its proper divisors (1).

28034969 is an equidigital number, since it uses as much as digits as its factorization.

28034969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 28034969 is about 5294.8058510204. The cubic root of 28034969 is about 303.7852570747.

The spelling of 28034969 in words is "twenty-eight million, thirty-four thousand, nine hundred sixty-nine".