27939948 has 24 divisors (see below), whose sum is σ = 65928240. Its totient is φ = 9208320.

The previous prime is 27939943. The next prime is 27939971. The reversal of 27939948 is 84993972.

It is a self number, because there is not a number n which added to its sum of digits gives 27939948.

It is not an unprimeable number, because it can be changed into a prime (27939943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12013 + ... + 14148.

It is an arithmetic number, because the mean of its divisors is an integer number (2747010).

Almost surely, 2^27939948 is an apocalyptic number.

It is an amenable number.

27939948 is an abundant number, since it is smaller than the sum of its proper divisors (37988292).

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

27939948 is a wasteful number, since it uses less digits than its factorization.

27939948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26257 (or 26255 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 27939948 is about 5285.8251957476. The cubic root of 27939948 is about 303.4416546141.

The spelling of 27939948 in words is "twenty-seven million, nine hundred thirty-nine thousand, nine hundred forty-eight".