28468419 has 16 divisors (see below), whose sum is σ = 43905792. Its totient is φ = 16070688.

The previous prime is 28468409. The next prime is 28468423. The reversal of 28468419 is 91486482.

It is not a de Polignac number, because 28468419 - 2¹⁵ = 28435651 is a prime.

It is a super-2 number, since 2×28468419² = 1620901760719122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28468409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6424 + ... + 9909.

It is an arithmetic number, because the mean of its divisors is an integer number (2744112).

Almost surely, 2^28468419 is an apocalyptic number.

28468419 is a deficient number, since it is larger than the sum of its proper divisors (15437373).

28468419 is a wasteful number, since it uses less digits than its factorization.

28468419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16426.

The product of its digits is 110592, while the sum is 42.

The square root of 28468419 is about 5335.5804745126. The cubic root of 28468419 is about 305.3428698112.

The spelling of 28468419 in words is "twenty-eight million, four hundred sixty-eight thousand, four hundred nineteen".