36006669 has 6 divisors (see below), whose sum is σ = 52009646. Its totient is φ = 24004440.

The previous prime is 36006667. The next prime is 36006673. The reversal of 36006669 is 96660063.

It can be written as a sum of positive squares in only one way, i.e., 35462025 + 544644 = 5955^2 + 738^2 .

It is not a de Polignac number, because 36006669 - 2¹ = 36006667 is a prime.

It is a super-2 number, since 2×36006669² = 2592960424951122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36006667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2000362 + ... + 2000379.

Almost surely, 2^36006669 is an apocalyptic number.

It is an amenable number.

36006669 is a deficient number, since it is larger than the sum of its proper divisors (16002977).

36006669 is a wasteful number, since it uses less digits than its factorization.

36006669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000747 (or 4000744 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 36006669 is about 6000.5557242642. Note that the first 3 decimals coincide. The cubic root of 36006669 is about 330.2131130313.

The spelling of 36006669 in words is "thirty-six million, six thousand, six hundred sixty-nine".