381381703 has 4 divisors (see below), whose sum is σ = 383357968. Its totient is φ = 379405440.

The previous prime is 381381701. The next prime is 381381727. The reversal of 381381703 is 307183183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 381381703 - 2¹ = 381381701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381381701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987843 + ... + 988228.

It is an arithmetic number, because the mean of its divisors is an integer number (95839492).

Almost surely, 2^381381703 is an apocalyptic number.

381381703 is a deficient number, since it is larger than the sum of its proper divisors (1976265).

381381703 is a wasteful number, since it uses less digits than its factorization.

381381703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976264.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 381381703 is about 19528.9964667927. The cubic root of 381381703 is about 725.1924676481.

The spelling of 381381703 in words is "three hundred eighty-one million, three hundred eighty-one thousand, seven hundred three".