27488493 has 24 divisors (see below), whose sum is σ = 40547520. Its totient is φ = 17942400.

The previous prime is 27488479. The next prime is 27488509. The reversal of 27488493 is 39488472.

It is not a de Polignac number, because 27488493 - 2⁹ = 27487981 is a prime.

It is a super-2 number, since 2×27488493² = 1511234494822098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27488423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153478 + ... + 153656.

It is an arithmetic number, because the mean of its divisors is an integer number (1689480).

Almost surely, 2^27488493 is an apocalyptic number.

It is an amenable number.

27488493 is a deficient number, since it is larger than the sum of its proper divisors (13059027).

27488493 is a wasteful number, since it uses less digits than its factorization.

27488493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 446 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 27488493 is about 5242.9469766535. The cubic root of 27488493 is about 301.7984306142.

The spelling of 27488493 in words is "twenty-seven million, four hundred eighty-eight thousand, four hundred ninety-three".