27985950 has 36 divisors (see below), whose sum is σ = 75190128. Its totient is φ = 7462800.

The previous prime is 27985939. The next prime is 27985981. The reversal of 27985950 is 5958972.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 27985896 and 27985905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30646 + ... + 31545.

Almost surely, 2^27985950 is an apocalyptic number.

27985950 is an abundant number, since it is smaller than the sum of its proper divisors (47204178).

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

27985950 is a wasteful number, since it uses less digits than its factorization.

27985950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62209 (or 62201 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 27985950 is about 5290.1748553332. The cubic root of 27985950 is about 303.6080981243.

The spelling of 27985950 in words is "twenty-seven million, nine hundred eighty-five thousand, nine hundred fifty".