3885391382 has 4 divisors (see below), whose sum is σ = 5828087076. Its totient is φ = 1942695690.

The previous prime is 3885391379. The next prime is 3885391421. The reversal of 3885391382 is 2831935883.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3885391382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971347844 + ... + 971347847.

It is an arithmetic number, because the mean of its divisors is an integer number (1457021769).

Almost surely, 2^3885391382 is an apocalyptic number.

3885391382 is a deficient number, since it is larger than the sum of its proper divisors (1942695694).

3885391382 is a wasteful number, since it uses less digits than its factorization.

3885391382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942695693.

The product of its digits is 1244160, while the sum is 50.

The square root of 3885391382 is about 62332.9076972990. The cubic root of 3885391382 is about 1572.0930853571.

The spelling of 3885391382 in words is "three billion, eight hundred eighty-five million, three hundred ninety-one thousand, three hundred eighty-two".