27949662 has 48 divisors (see below), whose sum is σ = 67337088. Its totient is φ = 8320320.

The previous prime is 27949637. The next prime is 27949667. The reversal of 27949662 is 26694972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27949667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5328 + ... + 9180.

It is an arithmetic number, because the mean of its divisors is an integer number (1402856).

Almost surely, 2^27949662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27949662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33668544).

27949662 is an abundant number, since it is smaller than the sum of its proper divisors (39387426).

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

27949662 is a wasteful number, since it uses less digits than its factorization.

27949662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905 (or 3902 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 27949662 is about 5286.7439885056. The cubic root of 27949662 is about 303.4768168210.

The spelling of 27949662 in words is "twenty-seven million, nine hundred forty-nine thousand, six hundred sixty-two".