36021169 has 4 divisors (see below), whose sum is σ = 37917040. Its totient is φ = 34125300.

The previous prime is 36021149. The next prime is 36021173. The reversal of 36021169 is 96112063.

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: 96112063 = 337 ⋅285199.

It is a cyclic number.

It is not a de Polignac number, because 36021169 - 2¹¹ = 36019121 is a prime.

It is a super-2 number, since 2×36021169² = 2595049232253122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36021119) 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, 947907 + ... + 947944.

It is an arithmetic number, because the mean of its divisors is an integer number (9479260).

Almost surely, 2^36021169 is an apocalyptic number.

It is an amenable number.

36021169 is a deficient number, since it is larger than the sum of its proper divisors (1895871).

36021169 is a wasteful number, since it uses less digits than its factorization.

36021169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895870.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 36021169 is about 6001.7638240771. The cubic root of 36021169 is about 330.2574330391.

The spelling of 36021169 in words is "thirty-six million, twenty-one thousand, one hundred sixty-nine".