381468685 has 64 divisors (see below), whose sum is σ = 539965440. Its totient is φ = 256481280.

The previous prime is 381468667. The next prime is 381468707. The reversal of 381468685 is 586864183.

It is not a de Polignac number, because 381468685 - 2⁵ = 381468653 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 4286121 + ... + 4286209.

It is an arithmetic number, because the mean of its divisors is an integer number (8436960).

Almost surely, 2^381468685 is an apocalyptic number.

It is an amenable number.

381468685 is a deficient number, since it is larger than the sum of its proper divisors (158496755).

381468685 is a wasteful number, since it uses less digits than its factorization.

381468685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its digits is 1105920, while the sum is 49.

The square root of 381468685 is about 19531.2233359818. The cubic root of 381468685 is about 725.2475951803.

The spelling of 381468685 in words is "three hundred eighty-one million, four hundred sixty-eight thousand, six hundred eighty-five".