3618378 has 32 divisors (see below), whose sum is σ = 8262720. Its totient is φ = 1172880.

The previous prime is 3618347. The next prime is 3618397. The reversal of 3618378 is 8738163.

3618378 is a `hidden beast` number, since 3 + 618 + 37 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (258210).

Almost surely, 2^3618378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3618378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4131360).

3618378 is an abundant number, since it is smaller than the sum of its proper divisors (4644342).

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

3618378 is a wasteful number, since it uses less digits than its factorization.

3618378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1853 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3618378 is about 1902.2034591494. The cubic root of 3618378 is about 153.5222445808.

The spelling of 3618378 in words is "three million, six hundred eighteen thousand, three hundred seventy-eight".