36147904 has 56 divisors (see below), whose sum is σ = 80650080. Its totient is φ = 15949824.

The previous prime is 36147901. The next prime is 36147919. The reversal of 36147904 is 40974163.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 36147904.

It is not an unprimeable number, because it can be changed into a prime (36147901) 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, 18192 + ... + 20080.

It is an arithmetic number, because the mean of its divisors is an integer number (1440180).

Almost surely, 2^36147904 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 36147904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40325040).

36147904 is an abundant number, since it is smaller than the sum of its proper divisors (44502176).

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

36147904 is a wasteful number, since it uses less digits than its factorization.

36147904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 36147904 is about 6012.3126997853. The cubic root of 36147904 is about 330.6442998514.

The spelling of 36147904 in words is "thirty-six million, one hundred forty-seven thousand, nine hundred four".