381488 has 20 divisors (see below), whose sum is σ = 749208. Its totient is φ = 188160.

The previous prime is 381487. The next prime is 381509. The reversal of 381488 is 884183.

381488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 1703 + ... + 1913.

2³⁸¹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

381488 is a deficient number, since it is larger than the sum of its proper divisors (367720).

381488 is a wasteful number, since it uses less digits than its factorization.

381488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 326 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 381488 is about 617.6471484594. The cubic root of 381488 is about 72.5259835522.

The spelling of 381488 in words is "three hundred eighty-one thousand, four hundred eighty-eight".