28048419 has 24 divisors (see below), whose sum is σ = 49027680. Its totient is φ = 15084288.

The previous prime is 28048417. The next prime is 28048429. The reversal of 28048419 is 91484082.

It is not a de Polignac number, because 28048419 - 2¹ = 28048417 is a prime.

It is a super-2 number, since 2×28048419² = 1573427616799122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28048417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12024 + ... + 14165.

It is an arithmetic number, because the mean of its divisors is an integer number (2042820).

Almost surely, 2^28048419 is an apocalyptic number.

28048419 is a deficient number, since it is larger than the sum of its proper divisors (20979261).

28048419 is a wasteful number, since it uses less digits than its factorization.

28048419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26219 (or 26216 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 28048419 is about 5296.0758113909. The cubic root of 28048419 is about 303.8338304412.

The spelling of 28048419 in words is "twenty-eight million, forty-eight thousand, four hundred nineteen".