36858661 has 8 divisors (see below), whose sum is σ = 42286464. Its totient is φ = 31471440.

The previous prime is 36858641. The next prime is 36858667. The reversal of 36858661 is 16685863.

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

It is a de Polignac number, because none of the positive numbers 2^k-36858661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36858667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8170 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (5285808).

Almost surely, 2^36858661 is an apocalyptic number.

It is an amenable number.

36858661 is a deficient number, since it is larger than the sum of its proper divisors (5427803).

36858661 is a wasteful number, since it uses less digits than its factorization.

36858661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20291.

The product of its digits is 207360, while the sum is 43.

The square root of 36858661 is about 6071.1334197166. The cubic root of 36858661 is about 332.7973438299.

The spelling of 36858661 in words is "thirty-six million, eight hundred fifty-eight thousand, six hundred sixty-one".