27965950 has 12 divisors (see below), whose sum is σ = 52016760. Its totient is φ = 11186360.

The previous prime is 27965911. The next prime is 27965957. The reversal of 27965950 is 5956972.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27965897 and 27965906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27965957) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 279610 + ... + 279709.

It is an arithmetic number, because the mean of its divisors is an integer number (4334730).

Almost surely, 2^27965950 is an apocalyptic number.

27965950 is a deficient number, since it is larger than the sum of its proper divisors (24050810).

27965950 is a wasteful number, since it uses less digits than its factorization.

27965950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559331 (or 559326 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 27965950 is about 5288.2842208036. The cubic root of 27965950 is about 303.5357569553.

The spelling of 27965950 in words is "twenty-seven million, nine hundred sixty-five thousand, nine hundred fifty".