28964597 has 2 divisors, whose sum is σ = 28964598. Its totient is φ = 28964596.

The previous prime is 28964587. The next prime is 28964609. The reversal of 28964597 is 79546982.

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., 26635921 + 2328676 = 5161^2 + 1526^2 .

It is a cyclic number.

It is not a de Polignac number, because 28964597 - 2¹⁰ = 28963573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28964587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14482298 + 14482299.

It is an arithmetic number, because the mean of its divisors is an integer number (14482299).

Almost surely, 2^28964597 is an apocalyptic number.

It is an amenable number.

28964597 is a deficient number, since it is larger than the sum of its proper divisors (1).

28964597 is an equidigital number, since it uses as much as digits as its factorization.

28964597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 28964597 is about 5381.8767172799. The cubic root of 28964597 is about 307.1066095523.

The spelling of 28964597 in words is "twenty-eight million, nine hundred sixty-four thousand, five hundred ninety-seven".