28769960 has 32 divisors (see below), whose sum is σ = 65370240. Its totient is φ = 11394624.

The previous prime is 28769947. The next prime is 28769977. The reversal of 28769960 is 6996782.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629 + ... + 7611.

It is an arithmetic number, because the mean of its divisors is an integer number (2042820).

Almost surely, 2^28769960 is an apocalyptic number.

28769960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28769960 is an abundant number, since it is smaller than the sum of its proper divisors (36600280).

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

28769960 is a wasteful number, since it uses less digits than its factorization.

28769960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 7093 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 28769960 is about 5363.7636040377. The cubic root of 28769960 is about 306.4171621070.

The spelling of 28769960 in words is "twenty-eight million, seven hundred sixty-nine thousand, nine hundred sixty".