28003832 has 16 divisors (see below), whose sum is σ = 52604640. Its totient is φ = 13975936.

The previous prime is 28003831. The next prime is 28003873. The reversal of 28003832 is 23830082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28003831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793 + ... + 7695.

It is an arithmetic number, because the mean of its divisors is an integer number (3287790).

Almost surely, 2^28003832 is an apocalyptic number.

It is an amenable number.

28003832 is a deficient number, since it is larger than the sum of its proper divisors (24600808).

28003832 is a wasteful number, since it uses less digits than its factorization.

28003832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502 (or 6498 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 28003832 is about 5291.8646997065. The cubic root of 28003832 is about 303.6727491854.

The spelling of 28003832 in words is "twenty-eight million, three thousand, eight hundred thirty-two".