27439328 has 24 divisors (see below), whose sum is σ = 61738992. Its totient is φ = 11759616.

The previous prime is 27439327. The next prime is 27439367. The reversal of 27439328 is 82393472.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27439291 and 27439300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27439327) 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, 61025 + ... + 61472.

It is an arithmetic number, because the mean of its divisors is an integer number (2572458).

Almost surely, 2^27439328 is an apocalyptic number.

27439328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27439328 is an abundant number, since it is smaller than the sum of its proper divisors (34299664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27439328 is a wasteful number, since it uses less digits than its factorization.

27439328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122514 (or 122506 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 27439328 is about 5238.2561983927. The cubic root of 27439328 is about 301.6183943733.

The spelling of 27439328 in words is "twenty-seven million, four hundred thirty-nine thousand, three hundred twenty-eight".