28588263 has 8 divisors (see below), whose sum is σ = 41582976. Its totient is φ = 17326200.

The previous prime is 28588243. The next prime is 28588277. The reversal of 28588263 is 36288582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28588263 - 2⁹ = 28587751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28588223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433123 + ... + 433188.

It is an arithmetic number, because the mean of its divisors is an integer number (5197872).

Almost surely, 2^28588263 is an apocalyptic number.

28588263 is a deficient number, since it is larger than the sum of its proper divisors (12994713).

28588263 is a wasteful number, since it uses less digits than its factorization.

28588263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866325.

The product of its digits is 184320, while the sum is 42.

The square root of 28588263 is about 5346.7993229595. The cubic root of 28588263 is about 305.7707390371.

The spelling of 28588263 in words is "twenty-eight million, five hundred eighty-eight thousand, two hundred sixty-three".