28464419 has 2 divisors, whose sum is σ = 28464420. Its totient is φ = 28464418.

The previous prime is 28464377. The next prime is 28464421. The reversal of 28464419 is 91446482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28464419 - 2¹² = 28460323 is a prime.

It is a super-2 number, since 2×28464419² = 1620446298015122, which contains 22 as substring.

Together with 28464421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28464439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14232209 + 14232210.

It is an arithmetic number, because the mean of its divisors is an integer number (14232210).

Almost surely, 2^28464419 is an apocalyptic number.

28464419 is a deficient number, since it is larger than the sum of its proper divisors (1).

28464419 is an equidigital number, since it uses as much as digits as its factorization.

28464419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 38.

The square root of 28464419 is about 5335.2056192803. The cubic root of 28464419 is about 305.3285682479.

The spelling of 28464419 in words is "twenty-eight million, four hundred sixty-four thousand, four hundred nineteen".