27198956 has 24 divisors (see below), whose sum is σ = 50426880. Its totient is φ = 12800592.

The previous prime is 27198953. The next prime is 27198961. The reversal of 27198956 is 65989172.

It is a self number, because there is not a number n which added to its sum of digits gives 27198956.

It is not an unprimeable number, because it can be changed into a prime (27198953) 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, 11621 + ... + 13763.

It is an arithmetic number, because the mean of its divisors is an integer number (2101120).

Almost surely, 2^27198956 is an apocalyptic number.

It is an amenable number.

27198956 is a deficient number, since it is larger than the sum of its proper divisors (23227924).

27198956 is a wasteful number, since it uses less digits than its factorization.

27198956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2331 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 27198956 is about 5215.2618342706. The cubic root of 27198956 is about 300.7350715027.

The spelling of 27198956 in words is "twenty-seven million, one hundred ninety-eight thousand, nine hundred fifty-six".