381480959 has 4 divisors (see below), whose sum is σ = 381745320. Its totient is φ = 381216600.

The previous prime is 381480943. The next prime is 381481027. The reversal of 381480959 is 959084183.

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 381480959 - 2⁴ = 381480943 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381480259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130004 + ... + 132905.

It is an arithmetic number, because the mean of its divisors is an integer number (95436330).

Almost surely, 2^381480959 is an apocalyptic number.

381480959 is a deficient number, since it is larger than the sum of its proper divisors (264361).

381480959 is a wasteful number, since it uses less digits than its factorization.

381480959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264360.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 381480959 is about 19531.5375482833. The cubic root of 381480959 is about 725.2553735327.

The spelling of 381480959 in words is "three hundred eighty-one million, four hundred eighty thousand, nine hundred fifty-nine".