382749 has 4 divisors (see below), whose sum is σ = 510336. Its totient is φ = 255164.

The previous prime is 382747. The next prime is 382751. The reversal of 382749 is 947283.

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 an interprime number because it is at equal distance from previous prime (382747) and next prime (382751).

It is a cyclic number.

It is not a de Polignac number, because 382749 - 2¹ = 382747 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 8 + 7⁶ + 2⁵ + 4⁹ + 9³ .

It is a D-number.

382749 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 382749.

It is not an unprimeable number, because it can be changed into a prime (382747) 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, 63789 + ... + 63794.

It is an arithmetic number, because the mean of its divisors is an integer number (127584).

2³⁸²⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

382749 is a deficient number, since it is larger than the sum of its proper divisors (127587).

382749 is a wasteful number, since it uses less digits than its factorization.

382749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127586.

The product of its digits is 12096, while the sum is 33.

The square root of 382749 is about 618.6671156608. The cubic root of 382749 is about 72.6058066677.

It can be divided in two parts, 38274 and 9, that added together give a palindrome (38283).

The spelling of 382749 in words is "three hundred eighty-two thousand, seven hundred forty-nine".