381548 has 24 divisors (see below), whose sum is σ = 733824. Its totient is φ = 172800.

The previous prime is 381541. The next prime is 381559. The reversal of 381548 is 845183.

381548 is nontrivially palindromic in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 381548.

It is not an unprimeable number, because it can be changed into a prime (381541) by changing a digit.

381548 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (30576).

2³⁸¹⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

381548 is a deficient number, since it is larger than the sum of its proper divisors (352276).

381548 is a wasteful number, since it uses less digits than its factorization.

381548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 231 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 381548 is about 617.6957179712. The cubic root of 381548 is about 72.5297856210.

It can be divided in two parts, 381 and 548, that added together give a palindrome (929).

The spelling of 381548 in words is "three hundred eighty-one thousand, five hundred forty-eight".