27949482 has 64 divisors (see below), whose sum is σ = 68382720. Its totient is φ = 8391600.

The previous prime is 27949469. The next prime is 27949487. The reversal of 27949482 is 28494972.

It is not an unprimeable number, because it can be changed into a prime (27949487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125223 + ... + 125445.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 2^27949482 is an apocalyptic number.

27949482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27949482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34191360).

27949482 is an abundant number, since it is smaller than the sum of its proper divisors (40433238).

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

27949482 is a wasteful number, since it uses less digits than its factorization.

27949482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 450 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 27949482 is about 5286.7269647675. The cubic root of 27949482 is about 303.4761653409.

Subtracting 27949482 from its reverse (28494972), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 27949482 in words is "twenty-seven million, nine hundred forty-nine thousand, four hundred eighty-two".