381386283 has 8 divisors (see below), whose sum is σ = 510698448. Its totient is φ = 253165824.

The previous prime is 381386281. The next prime is 381386309. The reversal of 381386283 is 382683183.

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

It is not a de Polignac number, because 381386283 - 2¹ = 381386281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381386281) 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 7 ways as a sum of consecutive naturals, for example, 272110 + ... + 273507.

It is an arithmetic number, because the mean of its divisors is an integer number (63837306).

Almost surely, 2^381386283 is an apocalyptic number.

381386283 is a deficient number, since it is larger than the sum of its proper divisors (129312165).

381386283 is a wasteful number, since it uses less digits than its factorization.

381386283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545853.

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

The square root of 381386283 is about 19529.1137279704. The cubic root of 381386283 is about 725.1953705738.

The spelling of 381386283 in words is "three hundred eighty-one million, three hundred eighty-six thousand, two hundred eighty-three".