380756 has 6 divisors (see below), whose sum is σ = 666330. Its totient is φ = 190376.

The previous prime is 380753. The next prime is 380777. The reversal of 380756 is 657083.

It can be written as a sum of positive squares in only one way, i.e., 280900 + 99856 = 530^2 + 316^2 .

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 380756.

It is not an unprimeable number, because it can be changed into a prime (380753) 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 as a sum of consecutive naturals, namely, 47591 + ... + 47598.

It is an arithmetic number, because the mean of its divisors is an integer number (111055).

2³⁸⁰⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

380756 is a deficient number, since it is larger than the sum of its proper divisors (285574).

380756 is a wasteful number, since it uses less digits than its factorization.

380756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95193 (or 95191 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 380756 is about 617.0542925870. The cubic root of 380756 is about 72.4795661795.

The spelling of 380756 in words is "three hundred eighty thousand, seven hundred fifty-six".