381258 has 24 divisors (see below), whose sum is σ = 842400. Its totient is φ = 124584.

The previous prime is 381253. The next prime is 381287. The reversal of 381258 is 852183.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (381253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (35100).

2³⁸¹²⁵⁸ is an apocalyptic number.

381258 is an abundant number, since it is smaller than the sum of its proper divisors (461142).

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

381258 is a wasteful number, since it uses less digits than its factorization.

381258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 423 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 381258 is about 617.4609299381. The cubic root of 381258 is about 72.5114052608.

It can be divided in two parts, 38 and 1258, that added together give a 4-th power (1296 = 6⁴).

The spelling of 381258 in words is "three hundred eighty-one thousand, two hundred fifty-eight".