36994181 has 8 divisors (see below), whose sum is σ = 42433920. Its totient is φ = 31593168.

The previous prime is 36994103. The next prime is 36994183. The reversal of 36994181 is 18149963.

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 36994181 - 2¹⁴ = 36977797 is a prime.

It is a super-2 number, since 2×36994181² = 2737138855721522, which contains 22 as substring.

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 (36994183) 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, 7601 + ... + 11478.

It is an arithmetic number, because the mean of its divisors is an integer number (5304240).

Almost surely, 2^36994181 is an apocalyptic number.

It is an amenable number.

36994181 is a deficient number, since it is larger than the sum of its proper divisors (5439739).

36994181 is a wasteful number, since it uses less digits than its factorization.

36994181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363.

The product of its digits is 46656, while the sum is 41.

The square root of 36994181 is about 6082.2841926368. The cubic root of 36994181 is about 333.2047156010.

The spelling of 36994181 in words is "thirty-six million, nine hundred ninety-four thousand, one hundred eighty-one".