381346368 has 56 divisors (see below), whose sum is σ = 1086599808. Its totient is φ = 117336576.

The previous prime is 381346327. The next prime is 381346369. The reversal of 381346368 is 863643183.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (381346369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73896 + ... + 78887.

It is an arithmetic number, because the mean of its divisors is an integer number (19403568).

Almost surely, 2^381346368 is an apocalyptic number.

It is an amenable number.

381346368 is an abundant number, since it is smaller than the sum of its proper divisors (705253440).

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

381346368 is a wasteful number, since it uses less digits than its factorization.

381346368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152811 (or 152801 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 381346368 is about 19528.0917654542. The cubic root of 381346368 is about 725.1700706051.

The spelling of 381346368 in words is "three hundred eighty-one million, three hundred forty-six thousand, three hundred sixty-eight".