36866413 has 4 divisors (see below), whose sum is σ = 37147968. Its totient is φ = 36584860.

The previous prime is 36866411. The next prime is 36866443. The reversal of 36866413 is 31466863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31466863 = 149 ⋅211187.

It is a cyclic number.

It is not a de Polignac number, because 36866413 - 2¹ = 36866411 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 (36866411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140581 + ... + 140842.

It is an arithmetic number, because the mean of its divisors is an integer number (9286992).

Almost surely, 2^36866413 is an apocalyptic number.

It is an amenable number.

36866413 is a deficient number, since it is larger than the sum of its proper divisors (281555).

36866413 is a wasteful number, since it uses less digits than its factorization.

36866413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281554.

The product of its digits is 62208, while the sum is 37.

The square root of 36866413 is about 6071.7718171881. The cubic root of 36866413 is about 332.8206731651.

The spelling of 36866413 in words is "thirty-six million, eight hundred sixty-six thousand, four hundred thirteen".