382191420 has 48 divisors (see below), whose sum is σ = 1152456480. Its totient is φ = 94077696.

The previous prime is 382191379. The next prime is 382191431. The reversal of 382191420 is 24191283.

382191420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244215 + ... + 245774.

It is an arithmetic number, because the mean of its divisors is an integer number (24009510).

Almost surely, 2^382191420 is an apocalyptic number.

382191420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

382191420 is an abundant number, since it is smaller than the sum of its proper divisors (770265060).

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

382191420 is a wasteful number, since it uses less digits than its factorization.

382191420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490014 (or 490012 counting only the distinct ones).

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

The square root of 382191420 is about 19549.7166219871. The cubic root of 382191420 is about 725.7053270655.

The spelling of 382191420 in words is "three hundred eighty-two million, one hundred ninety-one thousand, four hundred twenty".