3618918 has 40 divisors (see below), whose sum is σ = 8232840. Its totient is φ = 1188000.

The previous prime is 3618913. The next prime is 3618919. The reversal of 3618918 is 8198163.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14293 + ... + 14543.

It is an arithmetic number, because the mean of its divisors is an integer number (205821).

Almost surely, 2^3618918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3618918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4116420).

3618918 is an abundant number, since it is smaller than the sum of its proper divisors (4613922).

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

3618918 is a wasteful number, since it uses less digits than its factorization.

3618918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 345 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 3618918 is about 1902.3453945065. The cubic root of 3618918 is about 153.5298813256.

The spelling of 3618918 in words is "three million, six hundred eighteen thousand, nine hundred eighteen".