381412 has 24 divisors (see below), whose sum is σ = 725760. Its totient is φ = 174720.

The previous prime is 381401. The next prime is 381413. The reversal of 381412 is 214183.

It is a super-2 number, since 2×381412² = 290950227488, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 381412.

It is not an unprimeable number, because it can be changed into a prime (381413) by changing a digit.

381412 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, 4789 + ... + 4867.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2³⁸¹⁴¹² is an apocalyptic number.

It is an amenable number.

381412 is a deficient number, since it is larger than the sum of its proper divisors (344348).

381412 is a wasteful number, since it uses less digits than its factorization.

381412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 169 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 381412 is about 617.5856215943. The cubic root of 381412 is about 72.5211670260.

Adding to 381412 its reverse (214183), we get a palindrome (595595).

The spelling of 381412 in words is "three hundred eighty-one thousand, four hundred twelve".