3618138 has 8 divisors (see below), whose sum is σ = 7236288. Its totient is φ = 1206044.

The previous prime is 3618137. The next prime is 3618143. The reversal of 3618138 is 8318163.

It is a sphenic number, since it is the product of 3 distinct primes.

3618138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3618137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301506 + ... + 301517.

It is an arithmetic number, because the mean of its divisors is an integer number (904536).

Almost surely, 2^3618138 is an apocalyptic number.

3618138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3618138 is a wasteful number, since it uses less digits than its factorization.

3618138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603028.

The product of its digits is 3456, while the sum is 30.

The square root of 3618138 is about 1902.1403733689. The cubic root of 3618138 is about 153.5188502281.

The spelling of 3618138 in words is "three million, six hundred eighteen thousand, one hundred thirty-eight".