28803884 has 6 divisors (see below), whose sum is σ = 50406804. Its totient is φ = 14401940.

The previous prime is 28803883. The next prime is 28803911. The reversal of 28803884 is 48830882.

It is a super-3 number, since 3×28803884³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28803883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600482 + ... + 3600489.

It is an arithmetic number, because the mean of its divisors is an integer number (8401134).

Almost surely, 2^28803884 is an apocalyptic number.

It is an amenable number.

28803884 is a deficient number, since it is larger than the sum of its proper divisors (21602920).

28803884 is a wasteful number, since it uses less digits than its factorization.

28803884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200975 (or 7200973 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 28803884 is about 5366.9250041341. The cubic root of 28803884 is about 306.5375517169.

The spelling of 28803884 in words is "twenty-eight million, eight hundred three thousand, eight hundred eighty-four".