378459 has 16 divisors (see below), whose sum is σ = 570240. Its totient is φ = 248040.

The previous prime is 378449. The next prime is 378463. The reversal of 378459 is 954873.

It is a de Polignac number, because none of the positive numbers 2^k-378459 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (378439) 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 15 ways as a sum of consecutive naturals, for example, 2824 + ... + 2954.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2³⁷⁸⁴⁵⁹ is an apocalyptic number.

378459 is a deficient number, since it is larger than the sum of its proper divisors (191781).

378459 is a wasteful number, since it uses less digits than its factorization.

378459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 241 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 378459 is about 615.1902144865. The cubic root of 378459 is about 72.3335221007. Note that the first 3 decimals are identical.

The spelling of 378459 in words is "three hundred seventy-eight thousand, four hundred fifty-nine".