36393081 has 4 divisors (see below), whose sum is σ = 48524112. Its totient is φ = 24262052.

The previous prime is 36393059. The next prime is 36393143. The reversal of 36393081 is 18039363.

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.

It is a cyclic number.

It is not a de Polignac number, because 36393081 - 2¹³ = 36384889 is a prime.

It is a super-2 number, since 2×36393081² = 2648912689345122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36393011) 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, 6065511 + ... + 6065516.

It is an arithmetic number, because the mean of its divisors is an integer number (12131028).

Almost surely, 2^36393081 is an apocalyptic number.

It is an amenable number.

36393081 is a deficient number, since it is larger than the sum of its proper divisors (12131031).

36393081 is a wasteful number, since it uses less digits than its factorization.

36393081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131030.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 36393081 is about 6032.6678178066. The cubic root of 36393081 is about 331.3901594600.

The spelling of 36393081 in words is "thirty-six million, three hundred ninety-three thousand, eighty-one".