28484597 has 2 divisors, whose sum is σ = 28484598. Its totient is φ = 28484596.

The previous prime is 28484593. The next prime is 28484611. The reversal of 28484597 is 79548482.

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., 24216241 + 4268356 = 4921^2 + 2066^2 .

It is a cyclic number.

It is not a de Polignac number, because 28484597 - 2² = 28484593 is a prime.

It is a super-2 number, since 2×28484597² = 1622744532504818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28484593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14242298 + 14242299.

It is an arithmetic number, because the mean of its divisors is an integer number (14242299).

Almost surely, 2^28484597 is an apocalyptic number.

It is an amenable number.

28484597 is a deficient number, since it is larger than the sum of its proper divisors (1).

28484597 is an equidigital number, since it uses as much as digits as its factorization.

28484597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 28484597 is about 5337.0963079188. The cubic root of 28484597 is about 305.4006988217.

The spelling of 28484597 in words is "twenty-eight million, four hundred eighty-four thousand, five hundred ninety-seven".