27897422 has 8 divisors (see below), whose sum is σ = 47824176. Its totient is φ = 11956032.

The previous prime is 27897407. The next prime is 27897431. The reversal of 27897422 is 22479872.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27897422.

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, 996323 + ... + 996350.

It is an arithmetic number, because the mean of its divisors is an integer number (5978022).

Almost surely, 2^27897422 is an apocalyptic number.

27897422 is a deficient number, since it is larger than the sum of its proper divisors (19926754).

27897422 is a wasteful number, since it uses less digits than its factorization.

27897422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992682.

The product of its digits is 112896, while the sum is 41.

The square root of 27897422 is about 5281.8010185920. The cubic root of 27897422 is about 303.2876253097.

The spelling of 27897422 in words is "twenty-seven million, eight hundred ninety-seven thousand, four hundred twenty-two".