28013048 has 16 divisors (see below), whose sum is σ = 60028080. Its totient is φ = 12005568.

The previous prime is 28013009. The next prime is 28013053. The reversal of 28013048 is 84031082.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250061 + ... + 250172.

It is an arithmetic number, because the mean of its divisors is an integer number (3751755).

Almost surely, 2^28013048 is an apocalyptic number.

28013048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28013048 is an abundant number, since it is smaller than the sum of its proper divisors (32015032).

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

28013048 is a wasteful number, since it uses less digits than its factorization.

28013048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500246 (or 500242 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28013048 is about 5292.7353986384. The cubic root of 28013048 is about 303.7060582113.

The spelling of 28013048 in words is "twenty-eight million, thirteen thousand, forty-eight".