28886419 has 2 divisors, whose sum is σ = 28886420. Its totient is φ = 28886418.

The previous prime is 28886401. The next prime is 28886437. The reversal of 28886419 is 91468882.

It is a balanced prime because it is at equal distance from previous prime (28886401) and next prime (28886437).

It is a cyclic number.

It is not a de Polignac number, because 28886419 - 2¹¹ = 28884371 is a prime.

It is a super-2 number, since 2×28886419² = 1668850405287122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28886449) 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, 14443209 + 14443210.

It is an arithmetic number, because the mean of its divisors is an integer number (14443210).

Almost surely, 2^28886419 is an apocalyptic number.

28886419 is a deficient number, since it is larger than the sum of its proper divisors (1).

28886419 is an equidigital number, since it uses as much as digits as its factorization.

28886419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 46.

The square root of 28886419 is about 5374.6087299449. The cubic root of 28886419 is about 306.8300579888.

The spelling of 28886419 in words is "twenty-eight million, eight hundred eighty-six thousand, four hundred nineteen".