381844352 has 32 divisors (see below), whose sum is σ = 762986520. Its totient is φ = 190349824.

The previous prime is 381844313. The next prime is 381844369. The reversal of 381844352 is 253448183.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40118 + ... + 48714.

Almost surely, 2^381844352 is an apocalyptic number.

381844352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381844352 is a deficient number, since it is larger than the sum of its proper divisors (381142168).

381844352 is an equidigital number, since it uses as much as digits as its factorization.

381844352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958 (or 8946 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 381844352 is about 19540.8380577702. The cubic root of 381844352 is about 725.4855895531.

The spelling of 381844352 in words is "three hundred eighty-one million, eight hundred forty-four thousand, three hundred fifty-two".