381710330 has 16 divisors (see below), whose sum is σ = 687302280. Its totient is φ = 152634432.

The previous prime is 381710327. The next prime is 381710341. The reversal of 381710330 is 33017183.

It can be written as a sum of positive squares in 4 ways, for example, as 285846649 + 95863681 = 16907^2 + 9791^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 381710330.

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 7 ways as a sum of consecutive naturals, for example, 52136 + ... + 59004.

Almost surely, 2^381710330 is an apocalyptic number.

381710330 is a deficient number, since it is larger than the sum of its proper divisors (305591950).

381710330 is a wasteful number, since it uses less digits than its factorization.

381710330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12433.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 381710330 is about 19537.4084770729. The cubic root of 381710330 is about 725.4007012062.

The spelling of 381710330 in words is "three hundred eighty-one million, seven hundred ten thousand, three hundred thirty".