28483393 has 2 divisors, whose sum is σ = 28483394. Its totient is φ = 28483392.

The previous prime is 28483387. The next prime is 28483459. The reversal of 28483393 is 39338482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23590449 + 4892944 = 4857^2 + 2212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28483393 is a prime.

It is a super-2 number, since 2×28483393² = 1622607353584898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28483093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241696 + 14241697.

It is an arithmetic number, because the mean of its divisors is an integer number (14241697).

Almost surely, 2^28483393 is an apocalyptic number.

It is an amenable number.

28483393 is a deficient number, since it is larger than the sum of its proper divisors (1).

28483393 is an equidigital number, since it uses as much as digits as its factorization.

28483393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 28483393 is about 5336.9835113105. The cubic root of 28483393 is about 305.3963958222.

It can be divided in two parts, 2848 and 3393, that added together give a square (6241 = 79²).

The spelling of 28483393 in words is "twenty-eight million, four hundred eighty-three thousand, three hundred ninety-three".