28588542 has 8 divisors (see below), whose sum is σ = 57177096. Its totient is φ = 9529512.

The previous prime is 28588537. The next prime is 28588579. The reversal of 28588542 is 24588582.

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

28588542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28588494 and 28588503.

It is a congruent number.

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, 2382373 + ... + 2382384.

It is an arithmetic number, because the mean of its divisors is an integer number (7147137).

Almost surely, 2^28588542 is an apocalyptic number.

28588542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28588542 is a wasteful number, since it uses less digits than its factorization.

28588542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764762.

The product of its digits is 204800, while the sum is 42.

The square root of 28588542 is about 5346.8254132709. The cubic root of 28588542 is about 305.7717337315.

The spelling of 28588542 in words is "twenty-eight million, five hundred eighty-eight thousand, five hundred forty-two".