380440 has 16 divisors (see below), whose sum is σ = 856080. Its totient is φ = 152160.

The previous prime is 380423. The next prime is 380441. The reversal of 380440 is 44083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4716 + ... + 4795.

It is an arithmetic number, because the mean of its divisors is an integer number (53505).

2³⁸⁰⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

380440 is an abundant number, since it is smaller than the sum of its proper divisors (475640).

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

380440 is a wasteful number, since it uses less digits than its factorization.

380440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522 (or 9518 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 380440 is about 616.7981841737. The cubic root of 380440 is about 72.4595096937.

It can be divided in two parts, 3804 and 40, that added together give a square (3844 = 62²).

The spelling of 380440 in words is "three hundred eighty thousand, four hundred forty".