381300705 has 12 divisors (see below), whose sum is σ = 660921300. Its totient is φ = 203360352.

The previous prime is 381300637. The next prime is 381300727. The reversal of 381300705 is 507003183.

It can be written as a sum of positive squares in 2 ways, for example, as 48274704 + 333026001 = 6948^2 + 18249^2 .

It is not a de Polignac number, because 381300705 - 2⁸ = 381300449 is a prime.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4236630 + ... + 4236719.

It is an arithmetic number, because the mean of its divisors is an integer number (55076775).

Almost surely, 2^381300705 is an apocalyptic number.

It is an amenable number.

381300705 is a deficient number, since it is larger than the sum of its proper divisors (279620595).

381300705 is a wasteful number, since it uses less digits than its factorization.

381300705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473360 (or 8473357 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 381300705 is about 19526.9225685974. The cubic root of 381300705 is about 725.1411251236.

Adding to 381300705 its reverse (507003183), we get a palindrome (888303888).

The spelling of 381300705 in words is "three hundred eighty-one million, three hundred thousand, seven hundred five".