380643 has 8 divisors (see below), whose sum is σ = 511056. Its totient is φ = 252000.

The previous prime is 380641. The next prime is 380651. The reversal of 380643 is 346083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380643 - 2¹ = 380641 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (380641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (63882).

2³⁸⁰⁶⁴³ is an apocalyptic number.

380643 is a deficient number, since it is larger than the sum of its proper divisors (130413).

380643 is a wasteful number, since it uses less digits than its factorization.

380643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 380643 is about 616.9627217264. The cubic root of 380643 is about 72.4723953568.

The spelling of 380643 in words is "three hundred eighty thousand, six hundred forty-three".