381363 has 8 divisors (see below), whose sum is σ = 530688. Its totient is φ = 243144.

The previous prime is 381347. The next prime is 381371. The reversal of 381363 is 363183.

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

It is not a de Polignac number, because 381363 - 2⁴ = 381347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695 + ... + 2832.

It is an arithmetic number, because the mean of its divisors is an integer number (66336).

2³⁸¹³⁶³ is an apocalyptic number.

381363 is a deficient number, since it is larger than the sum of its proper divisors (149325).

381363 is a wasteful number, since it uses less digits than its factorization.

381363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553.

The product of its digits is 1296, while the sum is 24.

The square root of 381363 is about 617.5459497074. The cubic root of 381363 is about 72.5180612949.

The spelling of 381363 in words is "three hundred eighty-one thousand, three hundred sixty-three".