382091418 has 40 divisors (see below), whose sum is σ = 865820340. Its totient is φ = 125928000.

The previous prime is 382091393. The next prime is 382091447. The reversal of 382091418 is 814190283.

382091418 is a `hidden beast` number, since 38 + 209 + 1 + 418 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 359595369 + 22496049 = 18963^2 + 4743^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1168 + ... + 27668.

Almost surely, 2^382091418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382091418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432910170).

382091418 is an abundant number, since it is smaller than the sum of its proper divisors (483728922).

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

382091418 is a wasteful number, since it uses less digits than its factorization.

382091418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26604 (or 26595 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 382091418 is about 19547.1588216805. The cubic root of 382091418 is about 725.6420269225.

The spelling of 382091418 in words is "three hundred eighty-two million, ninety-one thousand, four hundred eighteen".