36366921 has 16 divisors (see below), whose sum is σ = 54617920. Its totient is φ = 23911200.

The previous prime is 36366881. The next prime is 36366923. The reversal of 36366921 is 12966363.

It is not a de Polignac number, because 36366921 - 2¹⁵ = 36334153 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 (36366923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7255 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (3413620).

Almost surely, 2^36366921 is an apocalyptic number.

It is an amenable number.

36366921 is a deficient number, since it is larger than the sum of its proper divisors (18250999).

36366921 is a wasteful number, since it uses less digits than its factorization.

36366921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18533 (or 18527 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 36366921 is about 6030.4992330652. The cubic root of 36366921 is about 331.3107373615.

The spelling of 36366921 in words is "thirty-six million, three hundred sixty-six thousand, nine hundred twenty-one".