382638811 has 8 divisors (see below), whose sum is σ = 392009024. Its totient is φ = 373290120.

The previous prime is 382638769. The next prime is 382638821. The reversal of 382638811 is 118836283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 382638811 - 2²¹ = 380541659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382638821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34096 + ... + 43906.

It is an arithmetic number, because the mean of its divisors is an integer number (49001128).

Almost surely, 2^382638811 is an apocalyptic number.

382638811 is a deficient number, since it is larger than the sum of its proper divisors (9370213).

382638811 is an equidigital number, since it uses as much as digits as its factorization.

382638811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761.

The product of its digits is 55296, while the sum is 40.

The square root of 382638811 is about 19561.1556662688. The cubic root of 382638811 is about 725.9883854233.

It can be divided in two parts, 38263 and 8811, that added together give a palindrome (47074).

The spelling of 382638811 in words is "three hundred eighty-two million, six hundred thirty-eight thousand, eight hundred eleven".