380000947 has 4 divisors (see below), whose sum is σ = 380410920. Its totient is φ = 379590976.

The previous prime is 380000921. The next prime is 380000953. The reversal of 380000947 is 749000083.

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 380000947 - 2¹⁹ = 379476659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380000987) 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, 203593 + ... + 205450.

It is an arithmetic number, because the mean of its divisors is an integer number (95102730).

Almost surely, 2^380000947 is an apocalyptic number.

380000947 is a deficient number, since it is larger than the sum of its proper divisors (409973).

380000947 is an equidigital number, since it uses as much as digits as its factorization.

380000947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409972.

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

The square root of 380000947 is about 19493.6129796403. The cubic root of 380000947 is about 724.3162460340.

The spelling of 380000947 in words is "three hundred eighty million, nine hundred forty-seven", and thus it is an aban number.