28988762 has 8 divisors (see below), whose sum is σ = 47436192. Its totient is φ = 13176700.

The previous prime is 28988731. The next prime is 28988767. The reversal of 28988762 is 26788982.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28988762.

It is not an unprimeable number, because it can be changed into a prime (28988767) 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, 658814 + ... + 658857.

It is an arithmetic number, because the mean of its divisors is an integer number (5929524).

Almost surely, 2^28988762 is an apocalyptic number.

28988762 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28988762 is a deficient number, since it is larger than the sum of its proper divisors (18447430).

28988762 is a wasteful number, since it uses less digits than its factorization.

28988762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317684.

The product of its digits is 774144, while the sum is 50.

The square root of 28988762 is about 5384.1212839237. The cubic root of 28988762 is about 307.1919915831.

The spelling of 28988762 in words is "twenty-eight million, nine hundred eighty-eight thousand, seven hundred sixty-two".