36981912 has 64 divisors (see below), whose sum is σ = 102332160. Its totient is φ = 11043200.

The previous prime is 36981911. The next prime is 36981941. The reversal of 36981912 is 21918963.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36981911) 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, 17758 + ... + 19730.

It is an arithmetic number, because the mean of its divisors is an integer number (1598940).

Almost surely, 2^36981912 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 36981912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51166080).

36981912 is an abundant number, since it is smaller than the sum of its proper divisors (65350248).

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

36981912 is a wasteful number, since it uses less digits than its factorization.

36981912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2060 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 36981912 is about 6081.2755240985. The cubic root of 36981912 is about 333.1678761075.

The spelling of 36981912 in words is "thirty-six million, nine hundred eighty-one thousand, nine hundred twelve".