27996150 has 144 divisors (see below), whose sum is σ = 87275664. Its totient is φ = 5886720.

The previous prime is 27996109. The next prime is 27996167. The reversal of 27996150 is 5169972.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 27996099 and 27996108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 95404 + ... + 95696.

It is an arithmetic number, because the mean of its divisors is an integer number (606081).

Almost surely, 2^27996150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27996150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43637832).

27996150 is an abundant number, since it is smaller than the sum of its proper divisors (59279514).

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

27996150 is a wasteful number, since it uses less digits than its factorization.

27996150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 27996150 is about 5291.1388188177. The cubic root of 27996150 is about 303.6449788502.

The spelling of 27996150 in words is "twenty-seven million, nine hundred ninety-six thousand, one hundred fifty".