381089368 has 24 divisors (see below), whose sum is σ = 779875740. Its totient is φ = 173139200.

The previous prime is 381089363. The next prime is 381089407. The reversal of 381089368 is 863980183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381089363) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 182088 + ... + 184168.

Almost surely, 2^381089368 is an apocalyptic number.

It is an amenable number.

381089368 is an abundant number, since it is smaller than the sum of its proper divisors (398786372).

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

381089368 is an equidigital number, since it uses as much as digits as its factorization.

381089368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 381089368 is about 19521.5103923851. The cubic root of 381089368 is about 725.0071298546.

The spelling of 381089368 in words is "three hundred eighty-one million, eighty-nine thousand, three hundred sixty-eight".