27388490 has 16 divisors (see below), whose sum is σ = 49495752. Its totient is φ = 10911744.

The previous prime is 27388489. The next prime is 27388507. The reversal of 27388490 is 9488372.

It can be written as a sum of positive squares in 4 ways, for example, as 23049601 + 4338889 = 4801^2 + 2083^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759 + ... + 7898.

Almost surely, 2^27388490 is an apocalyptic number.

27388490 is a deficient number, since it is larger than the sum of its proper divisors (22107262).

27388490 is a wasteful number, since it uses less digits than its factorization.

27388490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 27388490 is about 5233.4013796001. The cubic root of 27388490 is about 301.4320055099.

The spelling of 27388490 in words is "twenty-seven million, three hundred eighty-eight thousand, four hundred ninety".