381484 has 12 divisors (see below), whose sum is σ = 671944. Its totient is φ = 189504.

The previous prime is 381481. The next prime is 381487. The reversal of 381484 is 484183.

It is an interprime number because it is at equal distance from previous prime (381481) and next prime (381487).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (381481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964 + ... + 1300.

2³⁸¹⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

381484 is a deficient number, since it is larger than the sum of its proper divisors (290460).

381484 is a wasteful number, since it uses less digits than its factorization.

381484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 622 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 381484 is about 617.6439103561. The cubic root of 381484 is about 72.5257300667.

The spelling of 381484 in words is "three hundred eighty-one thousand, four hundred eighty-four".