378387 has 6 divisors (see below), whose sum is σ = 546572. Its totient is φ = 252252.

The previous prime is 378379. The next prime is 378401. The reversal of 378387 is 783873.

It is not a de Polignac number, because 378387 - 2³ = 378379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21013 + ... + 21030.

2³⁷⁸³⁸⁷ is an apocalyptic number.

378387 is a deficient number, since it is larger than the sum of its proper divisors (168185).

378387 is a wasteful number, since it uses less digits than its factorization.

378387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42049 (or 42046 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 378387 is about 615.1316932170. The cubic root of 378387 is about 72.3289347752.

The spelling of 378387 in words is "three hundred seventy-eight thousand, three hundred eighty-seven".