36891312 has 60 divisors (see below), whose sum is σ = 100629720. Its totient is φ = 11644416.

The previous prime is 36891311. The next prime is 36891313. The reversal of 36891312 is 21319863.

It is an interprime number because it is at equal distance from previous prime (36891311) and next prime (36891313).

It is not an unprimeable number, because it can be changed into a prime (36891311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16264 + ... + 18392.

It is an arithmetic number, because the mean of its divisors is an integer number (1677162).

Almost surely, 2^36891312 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 36891312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50314860).

36891312 is an abundant number, since it is smaller than the sum of its proper divisors (63738408).

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

36891312 is a wasteful number, since it uses less digits than its factorization.

36891312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2153 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 36891312 is about 6073.8218610690. The cubic root of 36891312 is about 332.8955835994.

The spelling of 36891312 in words is "thirty-six million, eight hundred ninety-one thousand, three hundred twelve".