28896019 has 2 divisors, whose sum is σ = 28896020. Its totient is φ = 28896018.

The previous prime is 28896011. The next prime is 28896029. The reversal of 28896019 is 91069882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28896019 - 2³ = 28896011 is a prime.

It is a super-2 number, since 2×28896019² = 1669959828096722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28896011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14448009 + 14448010.

It is an arithmetic number, because the mean of its divisors is an integer number (14448010).

Almost surely, 2^28896019 is an apocalyptic number.

28896019 is a deficient number, since it is larger than the sum of its proper divisors (1).

28896019 is an equidigital number, since it uses as much as digits as its factorization.

28896019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 28896019 is about 5375.5017440235. The cubic root of 28896019 is about 306.8640444597.

The spelling of 28896019 in words is "twenty-eight million, eight hundred ninety-six thousand, nineteen".