27913893 has 8 divisors (see below), whose sum is σ = 42535488. Its totient is φ = 15950784.

The previous prime is 27913891. The next prime is 27913937. The reversal of 27913893 is 39831972.

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

It is not a de Polignac number, because 27913893 - 2¹ = 27913891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27913891) 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, 664596 + ... + 664637.

It is an arithmetic number, because the mean of its divisors is an integer number (5316936).

Almost surely, 2^27913893 is an apocalyptic number.

It is an amenable number.

27913893 is a deficient number, since it is larger than the sum of its proper divisors (14621595).

27913893 is a wasteful number, since it uses less digits than its factorization.

27913893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329243.

The product of its digits is 81648, while the sum is 42.

The square root of 27913893 is about 5283.3600104479. The cubic root of 27913893 is about 303.3473018833.

The spelling of 27913893 in words is "twenty-seven million, nine hundred thirteen thousand, eight hundred ninety-three".