381465830 has 8 divisors (see below), whose sum is σ = 686638512. Its totient is φ = 152586328.

The previous prime is 381465829. The next prime is 381465863. The reversal of 381465830 is 38564183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 19073282 + ... + 19073301.

It is an arithmetic number, because the mean of its divisors is an integer number (85829814).

Almost surely, 2^381465830 is an apocalyptic number.

381465830 is a deficient number, since it is larger than the sum of its proper divisors (305172682).

381465830 is a wasteful number, since it uses less digits than its factorization.

381465830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38146590.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 381465830 is about 19531.1502477453. The cubic root of 381465830 is about 725.2457858688.

The spelling of 381465830 in words is "three hundred eighty-one million, four hundred sixty-five thousand, eight hundred thirty".