381064 has 32 divisors (see below), whose sum is σ = 792000. Its totient is φ = 171072.

The previous prime is 381061. The next prime is 381071. The reversal of 381064 is 460183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3442 + ... + 3550.

It is an arithmetic number, because the mean of its divisors is an integer number (24750).

2³⁸¹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

381064 is an abundant number, since it is smaller than the sum of its proper divisors (410936).

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

381064 is a wasteful number, since it uses less digits than its factorization.

381064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 381064 is about 617.3038149890. The cubic root of 381064 is about 72.4991042299.

The spelling of 381064 in words is "three hundred eighty-one thousand, sixty-four".