28486824 has 32 divisors (see below), whose sum is σ = 71889120. Its totient is φ = 9406016.

The previous prime is 28486819. The next prime is 28486877. The reversal of 28486824 is 42868482.

It is a super-2 number, since 2×28486824² = 1622998283213952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2979 + ... + 8114.

It is an arithmetic number, because the mean of its divisors is an integer number (2246535).

Almost surely, 2^28486824 is an apocalyptic number.

28486824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28486824 is an abundant number, since it is smaller than the sum of its proper divisors (43402296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28486824 is a wasteful number, since it uses less digits than its factorization.

28486824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11209 (or 11205 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 28486824 is about 5337.3049378877. The cubic root of 28486824 is about 305.4086576218.

The spelling of 28486824 in words is "twenty-eight million, four hundred eighty-six thousand, eight hundred twenty-four".