388382941 has 4 divisors (see below), whose sum is σ = 388455484. Its totient is φ = 388310400.

The previous prime is 388382843. The next prime is 388382947. The reversal of 388382941 is 149283883.

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 263412900 + 124970041 = 16230^2 + 11179^2 .

It is a cyclic number.

It is not a de Polignac number, because 388382941 - 2⁹ = 388382429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 388382891 and 388382900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388382947) 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, 27540 + ... + 39181.

It is an arithmetic number, because the mean of its divisors is an integer number (97113871).

Almost surely, 2^388382941 is an apocalyptic number.

It is an amenable number.

388382941 is a deficient number, since it is larger than the sum of its proper divisors (72543).

388382941 is an equidigital number, since it uses as much as digits as its factorization.

388382941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72542.

The product of its digits is 331776, while the sum is 46.

The square root of 388382941 is about 19707.4336482455. The cubic root of 388382941 is about 729.6031752070.

The spelling of 388382941 in words is "three hundred eighty-eight million, three hundred eighty-two thousand, nine hundred forty-one".