28800469 has 2 divisors, whose sum is σ = 28800470. Its totient is φ = 28800468.

The previous prime is 28800463. The next prime is 28800487. The reversal of 28800469 is 96400882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 1656369 = 5210^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 28800469 - 2³ = 28800461 is a prime.

It is a super-2 number, since 2×28800469² = 1658934029239922, which contains 22 as substring.

It is equal to p_1788094 and since 28800469 and 1788094 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28800461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14400234 + 14400235.

It is an arithmetic number, because the mean of its divisors is an integer number (14400235).

Almost surely, 2^28800469 is an apocalyptic number.

It is an amenable number.

28800469 is a deficient number, since it is larger than the sum of its proper divisors (1).

28800469 is an equidigital number, since it uses as much as digits as its factorization.

28800469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 28800469 is about 5366.6068423167. The cubic root of 28800469 is about 306.5254368332.

The spelling of 28800469 in words is "twenty-eight million, eight hundred thousand, four hundred sixty-nine".