382820057 has 4 divisors (see below), whose sum is σ = 382859520. Its totient is φ = 382780596.

The previous prime is 382820051. The next prime is 382820071. The reversal of 382820057 is 750028283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 382820057 - 2¹⁶ = 382754521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 382819999 and 382820026.

It is not an unprimeable number, because it can be changed into a prime (382820051) 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, 6044 + ... + 28322.

It is an arithmetic number, because the mean of its divisors is an integer number (95714880).

Almost surely, 2^382820057 is an apocalyptic number.

It is an amenable number.

382820057 is a deficient number, since it is larger than the sum of its proper divisors (39463).

382820057 is a wasteful number, since it uses less digits than its factorization.

382820057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39462.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 382820057 is about 19565.7879217782. The cubic root of 382820057 is about 726.1029945681.

The spelling of 382820057 in words is "three hundred eighty-two million, eight hundred twenty thousand, fifty-seven".