36187938 has 16 divisors (see below), whose sum is σ = 80417760. Its totient is φ = 12062628.

The previous prime is 36187937. The next prime is 36187981. The reversal of 36187938 is 83978163.

It is a happy number.

It is a super-3 number, since 3×36187938³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36187893 and 36187902.

It is not an unprimeable number, because it can be changed into a prime (36187937) 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, 335020 + ... + 335127.

It is an arithmetic number, because the mean of its divisors is an integer number (5026110).

Almost surely, 2^36187938 is an apocalyptic number.

36187938 is an abundant number, since it is smaller than the sum of its proper divisors (44229822).

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

36187938 is a wasteful number, since it uses less digits than its factorization.

36187938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670158 (or 670152 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 36187938 is about 6015.6411129654. The cubic root of 36187938 is about 330.7663182698.

The spelling of 36187938 in words is "thirty-six million, one hundred eighty-seven thousand, nine hundred thirty-eight".