27989373 has 8 divisors (see below), whose sum is σ = 38523136. Its totient is φ = 18057600.

The previous prime is 27989371. The next prime is 27989389. The reversal of 27989373 is 37398972.

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

It is not a de Polignac number, because 27989373 - 2¹ = 27989371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27989371) 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, 150388 + ... + 150573.

It is an arithmetic number, because the mean of its divisors is an integer number (4815392).

Almost surely, 2^27989373 is an apocalyptic number.

It is an amenable number.

27989373 is a deficient number, since it is larger than the sum of its proper divisors (10533763).

27989373 is a wasteful number, since it uses less digits than its factorization.

27989373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300995.

The product of its digits is 571536, while the sum is 48.

The square root of 27989373 is about 5290.4983697191. The cubic root of 27989373 is about 303.6204758609.

The spelling of 27989373 in words is "twenty-seven million, nine hundred eighty-nine thousand, three hundred seventy-three".