27483918 has 128 divisors (see below), whose sum is σ = 75202560. Its totient is φ = 6480000.

The previous prime is 27483901. The next prime is 27483941. The reversal of 27483918 is 81938472.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 27483918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272068 + ... + 272168.

It is an arithmetic number, because the mean of its divisors is an integer number (587520).

Almost surely, 2^27483918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27483918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37601280).

27483918 is an abundant number, since it is smaller than the sum of its proper divisors (47718642).

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

27483918 is a wasteful number, since it uses less digits than its factorization.

27483918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its digits is 96768, while the sum is 42.

The square root of 27483918 is about 5242.5106580721. The cubic root of 27483918 is about 301.7816865845.

It can be divided in two parts, 2748 and 3918, that added together give a palindrome (6666).

The spelling of 27483918 in words is "twenty-seven million, four hundred eighty-three thousand, nine hundred eighteen".