380745 has 12 divisors (see below), whose sum is σ = 660036. Its totient is φ = 203040.

The previous prime is 380729. The next prime is 380753. The reversal of 380745 is 547083.

It can be written as a sum of positive squares in 2 ways, for example, as 233289 + 147456 = 483^2 + 384^2 .

It is not a de Polignac number, because 380745 - 2⁴ = 380729 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380745.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4186 + ... + 4275.

It is an arithmetic number, because the mean of its divisors is an integer number (55003).

2³⁸⁰⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

380745 is a deficient number, since it is larger than the sum of its proper divisors (279291).

380745 is a wasteful number, since it uses less digits than its factorization.

380745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472 (or 8469 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 380745 is about 617.0453792064. The cubic root of 380745 is about 72.4788681972.

The spelling of 380745 in words is "three hundred eighty thousand, seven hundred forty-five".