28439353 has 2 divisors, whose sum is σ = 28439354. Its totient is φ = 28439352.

The previous prime is 28439329. The next prime is 28439377. The reversal of 28439353 is 35393482.

It is a balanced prime because it is at equal distance from previous prime (28439329) and next prime (28439377).

It can be written as a sum of positive squares in only one way, i.e., 25775929 + 2663424 = 5077^2 + 1632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28439353 is a prime.

It is not a weakly prime, because it can be changed into another prime (28439303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14219676 + 14219677.

It is an arithmetic number, because the mean of its divisors is an integer number (14219677).

Almost surely, 2^28439353 is an apocalyptic number.

It is an amenable number.

28439353 is a deficient number, since it is larger than the sum of its proper divisors (1).

28439353 is an equidigital number, since it uses as much as digits as its factorization.

28439353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 28439353 is about 5332.8559890550. The cubic root of 28439353 is about 305.2389169827.

The spelling of 28439353 in words is "twenty-eight million, four hundred thirty-nine thousand, three hundred fifty-three".