381288083 has 4 divisors (see below), whose sum is σ = 415950648. Its totient is φ = 346625520.

The previous prime is 381288073. The next prime is 381288101. The reversal of 381288083 is 380882183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380882183 = 11 ⋅34625653.

It is a cyclic number.

It is not a de Polignac number, because 381288083 - 2¹⁰ = 381287059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381288083.

It is not an unprimeable number, because it can be changed into a prime (381288013) 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 3 ways as a sum of consecutive naturals, for example, 17331266 + ... + 17331287.

It is an arithmetic number, because the mean of its divisors is an integer number (103987662).

Almost surely, 2^381288083 is an apocalyptic number.

381288083 is a deficient number, since it is larger than the sum of its proper divisors (34662565).

381288083 is a wasteful number, since it uses less digits than its factorization.

381288083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34662564.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 381288083 is about 19526.5993711143. The cubic root of 381288083 is about 725.1331237114.

The spelling of 381288083 in words is "three hundred eighty-one million, two hundred eighty-eight thousand, eighty-three".