382068821 has 4 divisors (see below), whose sum is σ = 387450144. Its totient is φ = 376687500.

The previous prime is 382068811. The next prime is 382068833. The reversal of 382068821 is 128860283.

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.

It is a cyclic number.

It is not a de Polignac number, because 382068821 - 2²² = 377874517 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 (382068811) 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, 2690555 + ... + 2690696.

It is an arithmetic number, because the mean of its divisors is an integer number (96862536).

Almost surely, 2^382068821 is an apocalyptic number.

It is an amenable number.

382068821 is a deficient number, since it is larger than the sum of its proper divisors (5381323).

382068821 is an equidigital number, since it uses as much as digits as its factorization.

382068821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381322.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 382068821 is about 19546.5808007436. The cubic root of 382068821 is about 725.6277217455.

The spelling of 382068821 in words is "three hundred eighty-two million, sixty-eight thousand, eight hundred twenty-one".