381562 has 8 divisors (see below), whose sum is σ = 578016. Its totient is φ = 188892.

The previous prime is 381559. The next prime is 381569. The reversal of 381562 is 265183.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (381569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (72252).

2³⁸¹⁵⁶² is an apocalyptic number.

381562 is a deficient number, since it is larger than the sum of its proper divisors (196454).

381562 is a wasteful number, since it uses less digits than its factorization.

381562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its digits is 1440, while the sum is 25.

The square root of 381562 is about 617.7070503078. The cubic root of 381562 is about 72.5306727130.

It can be divided in two parts, 38 and 1562, that added together give a square (1600 = 40²).

The spelling of 381562 in words is "three hundred eighty-one thousand, five hundred sixty-two".