27463989 has 8 divisors (see below), whose sum is σ = 41849920. Its totient is φ = 15693696.

The previous prime is 27463981. The next prime is 27464029. The reversal of 27463989 is 98936472.

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

It is not a de Polignac number, because 27463989 - 2³ = 27463981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27463981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653884 + ... + 653925.

It is an arithmetic number, because the mean of its divisors is an integer number (5231240).

Almost surely, 2^27463989 is an apocalyptic number.

It is an amenable number.

27463989 is a deficient number, since it is larger than the sum of its proper divisors (14385931).

27463989 is a wasteful number, since it uses less digits than its factorization.

27463989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307819.

The product of its digits is 653184, while the sum is 48.

The square root of 27463989 is about 5240.6096019452. The cubic root of 27463989 is about 301.7087268088.

The spelling of 27463989 in words is "twenty-seven million, four hundred sixty-three thousand, nine hundred eighty-nine".