27850540 has 12 divisors (see below), whose sum is σ = 58486176. Its totient is φ = 11140208.

The previous prime is 27850519. The next prime is 27850547. The reversal of 27850540 is 4505872.

It is not an unprimeable number, because it can be changed into a prime (27850547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696244 + ... + 696283.

It is an arithmetic number, because the mean of its divisors is an integer number (4873848).

Almost surely, 2^27850540 is an apocalyptic number.

27850540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27850540 is an abundant number, since it is smaller than the sum of its proper divisors (30635636).

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

27850540 is a wasteful number, since it uses less digits than its factorization.

27850540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392536 (or 1392534 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 27850540 is about 5277.3610829656. The cubic root of 27850540 is about 303.1176370479.

The spelling of 27850540 in words is "twenty-seven million, eight hundred fifty thousand, five hundred forty".