381034 has 8 divisors (see below), whose sum is σ = 574308. Its totient is φ = 189600.

The previous prime is 381019. The next prime is 381037. The reversal of 381034 is 430183.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 2809 = 615^2 + 53^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam 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 (381037) 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, 334 + ... + 934.

2³⁸¹⁰³⁴ is an apocalyptic number.

381034 is a deficient number, since it is larger than the sum of its proper divisors (193274).

381034 is a wasteful number, since it uses less digits than its factorization.

381034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 381034 is about 617.2795152927. The cubic root of 381034 is about 72.4972016359.

It can be divided in two parts, 3810 and 34, that added together give a square (3844 = 62²).

The spelling of 381034 in words is "three hundred eighty-one thousand, thirty-four".