28328754 has 16 divisors (see below), whose sum is σ = 58189248. Its totient is φ = 9187632.

The previous prime is 28328731. The next prime is 28328767. The reversal of 28328754 is 45782382.

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, 63582 + ... + 64025.

It is an arithmetic number, because the mean of its divisors is an integer number (3636828).

Almost surely, 2^28328754 is an apocalyptic number.

28328754 is an abundant number, since it is smaller than the sum of its proper divisors (29860494).

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

28328754 is a wasteful number, since it uses less digits than its factorization.

28328754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127649.

The product of its digits is 107520, while the sum is 39.

The square root of 28328754 is about 5322.4763033761. The cubic root of 28328754 is about 304.8427174372.

The spelling of 28328754 in words is "twenty-eight million, three hundred twenty-eight thousand, seven hundred fifty-four".