28803486 has 24 divisors (see below), whose sum is σ = 58748760. Its totient is φ = 9414496.

The previous prime is 28803469. The next prime is 28803547. The reversal of 28803486 is 68430882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16000 + ... + 17708.

It is an arithmetic number, because the mean of its divisors is an integer number (2447865).

Almost surely, 2^28803486 is an apocalyptic number.

28803486 is an abundant number, since it is smaller than the sum of its proper divisors (29945274).

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

28803486 is a wasteful number, since it uses less digits than its factorization.

28803486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 28803486 is about 5366.8879250456. The cubic root of 28803486 is about 306.5361398412.

The spelling of 28803486 in words is "twenty-eight million, eight hundred three thousand, four hundred eighty-six".