381208933 has 16 divisors (see below), whose sum is σ = 441423360. Its totient is φ = 322454016.

The previous prime is 381208931. The next prime is 381208967. The reversal of 381208933 is 339802183.

It is a cyclic number.

It is not a de Polignac number, because 381208933 - 2¹ = 381208931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381208892 and 381208901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381208931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345060 + ... + 346162.

It is an arithmetic number, because the mean of its divisors is an integer number (27588960).

Almost surely, 2^381208933 is an apocalyptic number.

It is an amenable number.

381208933 is a deficient number, since it is larger than the sum of its proper divisors (60214427).

381208933 is a wasteful number, since it uses less digits than its factorization.

381208933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 381208933 is about 19524.5725433363. The cubic root of 381208933 is about 725.0829444540.

The spelling of 381208933 in words is "three hundred eighty-one million, two hundred eight thousand, nine hundred thirty-three".