27479389 has 8 divisors (see below), whose sum is σ = 32171328. Its totient is φ = 22979040.

The previous prime is 27479381. The next prime is 27479407. The reversal of 27479389 is 98397472.

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

It is not a de Polignac number, because 27479389 - 2³ = 27479381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27479381) 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, 47587 + ... + 48160.

It is an arithmetic number, because the mean of its divisors is an integer number (4021416).

Almost surely, 2^27479389 is an apocalyptic number.

It is an amenable number.

27479389 is a deficient number, since it is larger than the sum of its proper divisors (4691939).

27479389 is an equidigital number, since it uses as much as digits as its factorization.

27479389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95795.

The product of its digits is 762048, while the sum is 49.

The square root of 27479389 is about 5242.0786907485. The cubic root of 27479389 is about 301.7651090798.

The spelling of 27479389 in words is "twenty-seven million, four hundred seventy-nine thousand, three hundred eighty-nine".