36859009 has 16 divisors (see below), whose sum is σ = 43390080. Its totient is φ = 30933760.

The previous prime is 36859007. The next prime is 36859013. The reversal of 36859009 is 90095863.

It is not a de Polignac number, because 36859009 - 2¹ = 36859007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36859007) 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, 8052 + ... + 11770.

It is an arithmetic number, because the mean of its divisors is an integer number (2711880).

Almost surely, 2^36859009 is an apocalyptic number.

It is an amenable number.

36859009 is a deficient number, since it is larger than the sum of its proper divisors (6531071).

36859009 is a wasteful number, since it uses less digits than its factorization.

36859009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 36859009 is about 6071.1620798658. The cubic root of 36859009 is about 332.7983911922.

The spelling of 36859009 in words is "thirty-six million, eight hundred fifty-nine thousand, nine".