381929683 has 4 divisors (see below), whose sum is σ = 381997728. Its totient is φ = 381861640.

The previous prime is 381929671. The next prime is 381929693. The reversal of 381929683 is 386929183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386929183 = 3733 ⋅103651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381929683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381929663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24763 + ... + 37108.

It is an arithmetic number, because the mean of its divisors is an integer number (95499432).

Almost surely, 2^381929683 is an apocalyptic number.

381929683 is a deficient number, since it is larger than the sum of its proper divisors (68045).

381929683 is an equidigital number, since it uses as much as digits as its factorization.

381929683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68044.

The product of its digits is 559872, while the sum is 49.

The square root of 381929683 is about 19543.0213375517. The cubic root of 381929683 is about 725.5396271033.

The spelling of 381929683 in words is "three hundred eighty-one million, nine hundred twenty-nine thousand, six hundred eighty-three".