382774313 has 4 divisors (see below), whose sum is σ = 383094228. Its totient is φ = 382454400.

The previous prime is 382774307. The next prime is 382774333. The reversal of 382774313 is 313477283.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137288089 + 245486224 = 11717^2 + 15668^2 .

It is a cyclic number.

It is not a de Polignac number, because 382774313 - 2⁴ = 382774297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382774333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158156 + ... + 160557.

It is an arithmetic number, because the mean of its divisors is an integer number (95773557).

Almost surely, 2^382774313 is an apocalyptic number.

It is an amenable number.

382774313 is a deficient number, since it is larger than the sum of its proper divisors (319915).

382774313 is a wasteful number, since it uses less digits than its factorization.

382774313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319914.

The product of its digits is 84672, while the sum is 38.

The square root of 382774313 is about 19564.6189076097. The cubic root of 382774313 is about 726.0740722082.

The spelling of 382774313 in words is "three hundred eighty-two million, seven hundred seventy-four thousand, three hundred thirteen".