28888264 has 16 divisors (see below), whose sum is σ = 54223920. Its totient is φ = 14428560.

The previous prime is 28888261. The next prime is 28888271. The reversal of 28888264 is 46288882.

It is not an unprimeable number, because it can be changed into a prime (28888261) 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, 10999 + ... + 13369.

It is an arithmetic number, because the mean of its divisors is an integer number (3388995).

Almost surely, 2^28888264 is an apocalyptic number.

It is an amenable number.

28888264 is a deficient number, since it is larger than the sum of its proper divisors (25335656).

28888264 is a wasteful number, since it uses less digits than its factorization.

28888264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3896 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 28888264 is about 5374.7803676057. The cubic root of 28888264 is about 306.8365903481.

The spelling of 28888264 in words is "twenty-eight million, eight hundred eighty-eight thousand, two hundred sixty-four".