28484823 has 8 divisors (see below), whose sum is σ = 38009200. Its totient is φ = 18975168.

The previous prime is 28484803. The next prime is 28484831. The reversal of 28484823 is 32848482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28484823 - 2⁹ = 28484311 is a prime.

It is a super-2 number, since 2×28484823² = 1622770282682658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28484803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2163 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (4751150).

Almost surely, 2^28484823 is an apocalyptic number.

28484823 is a deficient number, since it is larger than the sum of its proper divisors (9524377).

28484823 is a wasteful number, since it uses less digits than its factorization.

28484823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361.

The product of its digits is 98304, while the sum is 39.

The square root of 28484823 is about 5337.1174804383. The cubic root of 28484823 is about 305.4015065141.

The spelling of 28484823 in words is "twenty-eight million, four hundred eighty-four thousand, eight hundred twenty-three".