36994391 has 8 divisors (see below), whose sum is σ = 42318720. Its totient is φ = 31679928.

The previous prime is 36994367. The next prime is 36994393. The reversal of 36994391 is 19349963.

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

It is not a de Polignac number, because 36994391 - 2¹⁰ = 36993367 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 (36994393) 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, 9380 + ... + 12726.

It is an arithmetic number, because the mean of its divisors is an integer number (5289840).

Almost surely, 2^36994391 is an apocalyptic number.

36994391 is a deficient number, since it is larger than the sum of its proper divisors (5324329).

36994391 is a wasteful number, since it uses less digits than its factorization.

36994391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933.

The product of its digits is 157464, while the sum is 44.

The square root of 36994391 is about 6082.3014558636. The cubic root of 36994391 is about 333.2053460863.

The spelling of 36994391 in words is "thirty-six million, nine hundred ninety-four thousand, three hundred ninety-one".