28840024 has 32 divisors (see below), whose sum is σ = 60274800. Its totient is φ = 12856320.

The previous prime is 28840001. The next prime is 28840027. The reversal of 28840024 is 42004882.

It is a junction number, because it is equal to n+sod(n) for n = 28839974 and 28840001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28840027) 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, 2997 + ... + 8164.

Almost surely, 2^28840024 is an apocalyptic number.

It is an amenable number.

28840024 is an abundant number, since it is smaller than the sum of its proper divisors (31434776).

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

28840024 is a wasteful number, since it uses less digits than its factorization.

28840024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203 (or 11199 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 28840024 is about 5370.2908673553. The cubic root of 28840024 is about 306.6657015303.

The spelling of 28840024 in words is "twenty-eight million, eight hundred forty thousand, twenty-four".