27983630 has 8 divisors (see below), whose sum is σ = 50370552. Its totient is φ = 11193448.

The previous prime is 27983611. The next prime is 27983633. The reversal of 27983630 is 3638972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27983633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399172 + ... + 1399191.

It is an arithmetic number, because the mean of its divisors is an integer number (6296319).

Almost surely, 2^27983630 is an apocalyptic number.

27983630 is a deficient number, since it is larger than the sum of its proper divisors (22386922).

27983630 is a wasteful number, since it uses less digits than its factorization.

27983630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798370.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 27983630 is about 5289.9555763730. The cubic root of 27983630 is about 303.5997083162.

The spelling of 27983630 in words is "twenty-seven million, nine hundred eighty-three thousand, six hundred thirty".