27815196 has 48 divisors (see below), whose sum is σ = 69914880. Its totient is φ = 8574720.

The previous prime is 27815191. The next prime is 27815201. The reversal of 27815196 is 69151872.

It is an interprime number because it is at equal distance from previous prime (27815191) and next prime (27815201).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27815191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10881 + ... + 13191.

It is an arithmetic number, because the mean of its divisors is an integer number (1456560).

Almost surely, 2^27815196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27815196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34957440).

27815196 is an abundant number, since it is smaller than the sum of its proper divisors (42099684).

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

27815196 is a wasteful number, since it uses less digits than its factorization.

27815196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2392 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 27815196 is about 5274.0113765520. The cubic root of 27815196 is about 302.9893579680.

The spelling of 27815196 in words is "twenty-seven million, eight hundred fifteen thousand, one hundred ninety-six".