382740 has 24 divisors (see below), whose sum is σ = 1071840. Its totient is φ = 102048.

The previous prime is 382729. The next prime is 382747. The reversal of 382740 is 47283.

It is a self number, because there is not a number n which added to its sum of digits gives 382740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382747) by changing a digit.

382740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (44660).

2³⁸²⁷⁴⁰ is an apocalyptic number.

382740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

382740 is an abundant number, since it is smaller than the sum of its proper divisors (689100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

382740 is a wasteful number, since it uses less digits than its factorization.

382740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391 (or 6389 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 382740 is about 618.6598419164. The cubic root of 382740 is about 72.6052375764.

The spelling of 382740 in words is "three hundred eighty-two thousand, seven hundred forty".