381678801 has 16 divisors (see below), whose sum is σ = 587604864. Its totient is φ = 215852544.

The previous prime is 381678763. The next prime is 381678809. The reversal of 381678801 is 108876183.

It is not a de Polignac number, because 381678801 - 2¹³ = 381670609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381678809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91650 + ... + 95723.

It is an arithmetic number, because the mean of its divisors is an integer number (36725304).

Almost surely, 2^381678801 is an apocalyptic number.

It is an amenable number.

381678801 is a deficient number, since it is larger than the sum of its proper divisors (205926063).

381678801 is a wasteful number, since it uses less digits than its factorization.

381678801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187480.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 381678801 is about 19536.6015724332. The cubic root of 381678801 is about 725.3807281300.

The spelling of 381678801 in words is "three hundred eighty-one million, six hundred seventy-eight thousand, eight hundred one".