378389 has 8 divisors (see below), whose sum is σ = 423360. Its totient is φ = 335200.

The previous prime is 378379. The next prime is 378401. The reversal of 378389 is 983873.

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

It is a cyclic number.

It is not a de Polignac number, because 378389 - 2¹² = 374293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32 + ... + 870.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2³⁷⁸³⁸⁹ is an apocalyptic number.

It is an amenable number.

378389 is a deficient number, since it is larger than the sum of its proper divisors (44971).

378389 is a wasteful number, since it uses less digits than its factorization.

378389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its digits is 36288, while the sum is 38.

The square root of 378389 is about 615.1333188830. The cubic root of 378389 is about 72.3290622087.

It can be divided in two parts, 378 and 389, that added together give a palindrome (767).

The spelling of 378389 in words is "three hundred seventy-eight thousand, three hundred eighty-nine".