27951196 has 48 divisors (see below), whose sum is σ = 63758016. Its totient is φ = 10404864.

The previous prime is 27951173. The next prime is 27951199. The reversal of 27951196 is 69115972.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27951199) 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, 3930 + ... + 8446.

It is an arithmetic number, because the mean of its divisors is an integer number (1328292).

Almost surely, 2^27951196 is an apocalyptic number.

27951196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27951196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31879008).

27951196 is an abundant number, since it is smaller than the sum of its proper divisors (35806820).

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

27951196 is a wasteful number, since it uses less digits than its factorization.

27951196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 4556 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 27951196 is about 5286.8890663603. The cubic root of 27951196 is about 303.4823687655.

The spelling of 27951196 in words is "twenty-seven million, nine hundred fifty-one thousand, one hundred ninety-six".