27973982 has 8 divisors (see below), whose sum is σ = 42094296. Its totient is φ = 13942552.

The previous prime is 27973969. The next prime is 27973987. The reversal of 27973982 is 28937972.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27973987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21428 + ... + 22695.

It is an arithmetic number, because the mean of its divisors is an integer number (5261787).

Almost surely, 2^27973982 is an apocalyptic number.

27973982 is a deficient number, since it is larger than the sum of its proper divisors (14120314).

27973982 is a wasteful number, since it uses less digits than its factorization.

27973982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44442.

The product of its digits is 381024, while the sum is 47.

The square root of 27973982 is about 5289.0435808377. The cubic root of 27973982 is about 303.5648133118.

The spelling of 27973982 in words is "twenty-seven million, nine hundred seventy-three thousand, nine hundred eighty-two".