381863283 has 8 divisors (see below), whose sum is σ = 509732496. Its totient is φ = 254284800.

The previous prime is 381863267. The next prime is 381863353. The reversal of 381863283 is 382368183.

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

It is not a de Polignac number, because 381863283 - 2⁴ = 381863267 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (381463283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69598 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (63716562).

Almost surely, 2^381863283 is an apocalyptic number.

381863283 is a deficient number, since it is larger than the sum of its proper divisors (127869213).

381863283 is a wasteful number, since it uses less digits than its factorization.

381863283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145365.

The product of its digits is 165888, while the sum is 42.

The square root of 381863283 is about 19541.3224475725. The cubic root of 381863283 is about 725.4975786796.

The spelling of 381863283 in words is "three hundred eighty-one million, eight hundred sixty-three thousand, two hundred eighty-three".