36881940 has 96 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 9360000.

The previous prime is 36881899. The next prime is 36881947. The reversal of 36881940 is 4918863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36881947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146815 + ... + 147065.

It is an arithmetic number, because the mean of its divisors is an integer number (1128960).

Almost surely, 2^36881940 is an apocalyptic number.

36881940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36881940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54190080).

36881940 is an abundant number, since it is smaller than the sum of its proper divisors (71498220).

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

36881940 is a wasteful number, since it uses less digits than its factorization.

36881940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 36881940 is about 6073.0503044187. The cubic root of 36881940 is about 332.8673912195.

The spelling of 36881940 in words is "thirty-six million, eight hundred eighty-one thousand, nine hundred forty".