27491938 has 8 divisors (see below), whose sum is σ = 41623632. Its totient is φ = 13617396.

The previous prime is 27491929. The next prime is 27491939. The reversal of 27491938 is 83919472.

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

It is a junction number, because it is equal to n+sod(n) for n = 27491894 and 27491903.

It is not an unprimeable number, because it can be changed into a prime (27491939) 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, 64020 + ... + 64447.

It is an arithmetic number, because the mean of its divisors is an integer number (5202954).

Almost surely, 2^27491938 is an apocalyptic number.

27491938 is a deficient number, since it is larger than the sum of its proper divisors (14131694).

27491938 is a wasteful number, since it uses less digits than its factorization.

27491938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128576.

The product of its digits is 108864, while the sum is 43.

The square root of 27491938 is about 5243.2755029657. The cubic root of 27491938 is about 301.8110377339.

The spelling of 27491938 in words is "twenty-seven million, four hundred ninety-one thousand, nine hundred thirty-eight".