27928942 has 8 divisors (see below), whose sum is σ = 41943816. Its totient is φ = 13947672.

The previous prime is 27928937. The next prime is 27928981. The reversal of 27928942 is 24982972.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6208 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (5242977).

Almost surely, 2^27928942 is an apocalyptic number.

27928942 is a deficient number, since it is larger than the sum of its proper divisors (14014874).

27928942 is a wasteful number, since it uses less digits than its factorization.

27928942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16802.

The product of its digits is 145152, while the sum is 43.

The square root of 27928942 is about 5284.7840069392. The cubic root of 27928942 is about 303.4018058468.

The spelling of 27928942 in words is "twenty-seven million, nine hundred twenty-eight thousand, nine hundred forty-two".