36647985 has 16 divisors (see below), whose sum is σ = 63967680. Its totient is φ = 17768640.

The previous prime is 36647981. The next prime is 36647987. The reversal of 36647985 is 58974663.

It is not a de Polignac number, because 36647985 - 2² = 36647981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36647981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110890 + ... + 111219.

It is an arithmetic number, because the mean of its divisors is an integer number (3997980).

Almost surely, 2^36647985 is an apocalyptic number.

It is an amenable number.

36647985 is a deficient number, since it is larger than the sum of its proper divisors (27319695).

36647985 is a wasteful number, since it uses less digits than its factorization.

36647985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222128.

The product of its digits is 1088640, while the sum is 48.

The square root of 36647985 is about 6053.7579238024. The cubic root of 36647985 is about 332.1620664443.

The spelling of 36647985 in words is "thirty-six million, six hundred forty-seven thousand, nine hundred eighty-five".