28718348 has 12 divisors (see below), whose sum is σ = 52902360. Its totient is φ = 13603392.

The previous prime is 28718311. The next prime is 28718353. The reversal of 28718348 is 84381782.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188861 + ... + 189012.

It is an arithmetic number, because the mean of its divisors is an integer number (4408530).

Almost surely, 2^28718348 is an apocalyptic number.

It is an amenable number.

28718348 is a deficient number, since it is larger than the sum of its proper divisors (24184012).

28718348 is a wasteful number, since it uses less digits than its factorization.

28718348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377896 (or 377894 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 28718348 is about 5358.9502703421. The cubic root of 28718348 is about 306.2338196088.

The spelling of 28718348 in words is "twenty-eight million, seven hundred eighteen thousand, three hundred forty-eight".