36994493 has 8 divisors (see below), whose sum is σ = 37389816. Its totient is φ = 36601600.

The previous prime is 36994471. The next prime is 36994523. The reversal of 36994493 is 39449963.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4481689 + 32512804 = 2117^2 + 5702^2 .

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 36994493 - 2¹⁸ = 36732349 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, 48233 + ... + 48993.

It is an arithmetic number, because the mean of its divisors is an integer number (4673727).

Almost surely, 2^36994493 is an apocalyptic number.

It is an amenable number.

36994493 is a deficient number, since it is larger than the sum of its proper divisors (395323).

36994493 is a wasteful number, since it uses less digits than its factorization.

36994493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its digits is 629856, while the sum is 47.

The square root of 36994493 is about 6082.3098408417. The cubic root of 36994493 is about 333.2056523211.

It can be divided in two parts, 3699 and 4493, that added together give a 13-th power (8192 = 2¹³).

The spelling of 36994493 in words is "thirty-six million, nine hundred ninety-four thousand, four hundred ninety-three".