381073 has 16 divisors (see below), whose sum is σ = 489600. Its totient is φ = 294000.

The previous prime is 381071. The next prime is 381077. The reversal of 381073 is 370183.

381073 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 381073 - 2¹ = 381071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723 + ... + 3823.

It is an arithmetic number, because the mean of its divisors is an integer number (30600).

2³⁸¹⁰⁷³ is an apocalyptic number.

It is an amenable number.

381073 is a deficient number, since it is larger than the sum of its proper divisors (108527).

381073 is a wasteful number, since it uses less digits than its factorization.

381073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 381073 is about 617.3111047114. The cubic root of 381073 is about 72.4996749886.

It can be divided in two parts, 3810 and 73, that added together give a palindrome (3883).

The spelling of 381073 in words is "three hundred eighty-one thousand, seventy-three".