378682 has 8 divisors (see below), whose sum is σ = 587700. Its totient is φ = 182784.

The previous prime is 378671. The next prime is 378683. The reversal of 378682 is 286873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 358801 + 19881 = 599^2 + 141^2 .

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

It is a d-powerful number, because it can be written as 3⁵ + 7 + 6⁶ + 8⁴ + 8⁶ + 2¹⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207 + ... + 3322.

2³⁷⁸⁶⁸² is an apocalyptic number.

378682 is a deficient number, since it is larger than the sum of its proper divisors (209018).

378682 is a wasteful number, since it uses less digits than its factorization.

378682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560.

The product of its digits is 16128, while the sum is 34.

The square root of 378682 is about 615.3714325511. The cubic root of 378682 is about 72.3477263767.

Subtracting from 378682 its reverse (286873), we obtain a square (91809 = 303²).

The spelling of 378682 in words is "three hundred seventy-eight thousand, six hundred eighty-two".