36493661 has 8 divisors (see below), whose sum is σ = 38472000. Its totient is φ = 34521120.

The previous prime is 36493651. The next prime is 36493697. The reversal of 36493661 is 16639463.

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

It is a cyclic number.

It is not a de Polignac number, because 36493661 - 2¹⁴ = 36477277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36493651) 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, 19016 + ... + 20846.

It is an arithmetic number, because the mean of its divisors is an integer number (4809000).

Almost surely, 2^36493661 is an apocalyptic number.

It is an amenable number.

36493661 is a deficient number, since it is larger than the sum of its proper divisors (1978339).

36493661 is a wasteful number, since it uses less digits than its factorization.

36493661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899.

The product of its digits is 69984, while the sum is 38.

The square root of 36493661 is about 6040.9983446447. The cubic root of 36493661 is about 331.6951676503.

The spelling of 36493661 in words is "thirty-six million, four hundred ninety-three thousand, six hundred sixty-one".