27815046 has 48 divisors (see below), whose sum is σ = 66487536. Its totient is φ = 7729344.

The previous prime is 27815033. The next prime is 27815057. The reversal of 27815046 is 64051872.

It is a junction number, because it is equal to n+sod(n) for n = 27814998 and 27815016.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9600 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (1385157).

Almost surely, 2^27815046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27815046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33243768).

27815046 is an abundant number, since it is smaller than the sum of its proper divisors (38672490).

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

27815046 is a wasteful number, since it uses less digits than its factorization.

27815046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 27815046 is about 5273.9971558582. The cubic root of 27815046 is about 302.9888133199.

The spelling of 27815046 in words is "twenty-seven million, eight hundred fifteen thousand, forty-six".