380947 has 4 divisors (see below), whose sum is σ = 435376. Its totient is φ = 326520.

The previous prime is 380929. The next prime is 380951. The reversal of 380947 is 749083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380947 - 2⁷ = 380819 is a prime.

It is a Duffinian number.

380947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (380917) 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, 27204 + ... + 27217.

It is an arithmetic number, because the mean of its divisors is an integer number (108844).

2³⁸⁰⁹⁴⁷ is an apocalyptic number.

380947 is a deficient number, since it is larger than the sum of its proper divisors (54429).

380947 is an equidigital number, since it uses as much as digits as its factorization.

380947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54428.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 380947 is about 617.2090407633. The cubic root of 380947 is about 72.4916835486.

The spelling of 380947 in words is "three hundred eighty thousand, nine hundred forty-seven".