382563421 has 4 divisors (see below), whose sum is σ = 385949052. Its totient is φ = 379177792.

The previous prime is 382563403. The next prime is 382563431. The reversal of 382563421 is 124365283.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61795321 + 320768100 = 7861^2 + 17910^2 .

It is a cyclic number.

It is not a de Polignac number, because 382563421 - 2¹⁵ = 382530653 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 (382563431) 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, 1692646 + ... + 1692871.

It is an arithmetic number, because the mean of its divisors is an integer number (96487263).

Almost surely, 2^382563421 is an apocalyptic number.

It is an amenable number.

382563421 is a deficient number, since it is larger than the sum of its proper divisors (3385631).

382563421 is a wasteful number, since it uses less digits than its factorization.

382563421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385630.

The product of its digits is 34560, while the sum is 34.

The square root of 382563421 is about 19559.2285379562. The cubic root of 382563421 is about 725.9407026324.

The spelling of 382563421 in words is "three hundred eighty-two million, five hundred sixty-three thousand, four hundred twenty-one".