36841993 has 4 divisors (see below), whose sum is σ = 36960768. Its totient is φ = 36723220.

The previous prime is 36841951. The next prime is 36841999. The reversal of 36841993 is 39914863.

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: 39914863 = 491 ⋅81293.

It is a cyclic number.

It is not a de Polignac number, because 36841993 - 2⁹ = 36841481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36841999) 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, 58921 + ... + 59542.

It is an arithmetic number, because the mean of its divisors is an integer number (9240192).

Almost surely, 2^36841993 is an apocalyptic number.

It is an amenable number.

36841993 is a deficient number, since it is larger than the sum of its proper divisors (118775).

36841993 is a wasteful number, since it uses less digits than its factorization.

36841993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118774.

The product of its digits is 139968, while the sum is 43.

The square root of 36841993 is about 6069.7605389340. The cubic root of 36841993 is about 332.7471710678.

The spelling of 36841993 in words is "thirty-six million, eight hundred forty-one thousand, nine hundred ninety-three".