36243920 has 40 divisors (see below), whose sum is σ = 84771360. Its totient is φ = 14410880.

The previous prime is 36243913. The next prime is 36243923. The reversal of 36243920 is 2934263.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36243923) 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, 13055 + ... + 15585.

It is an arithmetic number, because the mean of its divisors is an integer number (2119284).

Almost surely, 2^36243920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36243920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42385680).

36243920 is an abundant number, since it is smaller than the sum of its proper divisors (48527440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36243920 is a wasteful number, since it uses less digits than its factorization.

36243920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 36243920 is about 6020.2923517052. The cubic root of 36243920 is about 330.9367933028.

The spelling of 36243920 in words is "thirty-six million, two hundred forty-three thousand, nine hundred twenty".