28003794 has 96 divisors (see below), whose sum is σ = 74462976. Its totient is φ = 6935040.

The previous prime is 28003771. The next prime is 28003799. The reversal of 28003794 is 49730082.

28003794 is a modest number, since divided by 3794 gives 280 as remainder.

It is not an unprimeable number, because it can be changed into a prime (28003799) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64759 + ... + 65189.

It is an arithmetic number, because the mean of its divisors is an integer number (775656).

Almost surely, 2^28003794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28003794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37231488).

28003794 is an abundant number, since it is smaller than the sum of its proper divisors (46459182).

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

28003794 is a wasteful number, since it uses less digits than its factorization.

28003794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 28003794 is about 5291.8611092885. The cubic root of 28003794 is about 303.6726118283.

The spelling of 28003794 in words is "twenty-eight million, three thousand, seven hundred ninety-four".