27404328 has 64 divisors (see below), whose sum is σ = 79920000. Its totient is φ = 7827456.

The previous prime is 27404303. The next prime is 27404329. The reversal of 27404328 is 82340472.

It is a junction number, because it is equal to n+sod(n) for n = 27404295 and 27404304.

It is not an unprimeable number, because it can be changed into a prime (27404329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6568 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (1248750).

Almost surely, 2^27404328 is an apocalyptic number.

27404328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27404328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39960000).

27404328 is an abundant number, since it is smaller than the sum of its proper divisors (52515672).

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

27404328 is a wasteful number, since it uses less digits than its factorization.

27404328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 27404328 is about 5234.9143259465. The cubic root of 27404328 is about 301.4900975546.

The spelling of 27404328 in words is "twenty-seven million, four hundred four thousand, three hundred twenty-eight".