36311940 has 216 divisors, whose sum is σ = 134447040. Its totient is φ = 7894656.

The previous prime is 36311921. The next prime is 36311941. The reversal of 36311940 is 4911363.

It is not an unprimeable number, because it can be changed into a prime (36311941) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 202771 + ... + 202949.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^36311940 is an apocalyptic number.

36311940 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 36311940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

36311940 is an abundant number, since it is smaller than the sum of its proper divisors (98135100).

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

36311940 is a wasteful number, since it uses less digits than its factorization.

36311940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 36311940 is about 6025.9389309883. The cubic root of 36311940 is about 331.1436901048.

The spelling of 36311940 in words is "thirty-six million, three hundred eleven thousand, nine hundred forty".