28079960 has 32 divisors (see below), whose sum is σ = 63612000. Its totient is φ = 11155200.

The previous prime is 28079959. The next prime is 28079969. The reversal of 28079960 is 6997082.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28079969) 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, 3716 + ... + 8364.

It is an arithmetic number, because the mean of its divisors is an integer number (1987875).

Almost surely, 2^28079960 is an apocalyptic number.

28079960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28079960 is an abundant number, since it is smaller than the sum of its proper divisors (35532040).

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

28079960 is a wasteful number, since it uses less digits than its factorization.

28079960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 28079960 is about 5299.0527455386. The cubic root of 28079960 is about 303.9476768213.

The spelling of 28079960 in words is "twenty-eight million, seventy-nine thousand, nine hundred sixty".