36638085 has 32 divisors (see below), whose sum is σ = 64291968. Its totient is φ = 17669120.

The previous prime is 36638081. The next prime is 36638087. The reversal of 36638085 is 58083663.

It is not a de Polignac number, because 36638085 - 2² = 36638081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36638081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37969 + ... + 38921.

It is an arithmetic number, because the mean of its divisors is an integer number (2009124).

Almost surely, 2^36638085 is an apocalyptic number.

36638085 is the 3495-th octagonal number.

It is an amenable number.

36638085 is a deficient number, since it is larger than the sum of its proper divisors (27653883).

36638085 is a wasteful number, since it uses less digits than its factorization.

36638085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 36638085 is about 6052.9401946492. The cubic root of 36638085 is about 332.1321539256.

The spelling of 36638085 in words is "thirty-six million, six hundred thirty-eight thousand, eighty-five".