36563986 has 8 divisors (see below), whose sum is σ = 54961920. Its totient is φ = 18243348.

The previous prime is 36563963. The next prime is 36563993. The reversal of 36563986 is 68936563.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18126 + ... + 20041.

It is an arithmetic number, because the mean of its divisors is an integer number (6870240).

Almost surely, 2^36563986 is an apocalyptic number.

36563986 is a deficient number, since it is larger than the sum of its proper divisors (18397934).

36563986 is a wasteful number, since it uses less digits than its factorization.

36563986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38648.

The product of its digits is 699840, while the sum is 46.

The square root of 36563986 is about 6046.8161870525. The cubic root of 36563986 is about 331.9080949945.

The spelling of 36563986 in words is "thirty-six million, five hundred sixty-three thousand, nine hundred eighty-six".