378897 has 8 divisors (see below), whose sum is σ = 514944. Its totient is φ = 247728.

The previous prime is 378893. The next prime is 378901. The reversal of 378897 is 798873.

It is an interprime number because it is at equal distance from previous prime (378893) and next prime (378901).

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

It is not a de Polignac number, because 378897 - 2² = 378893 is a prime.

378897 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378897.

It is not an unprimeable number, because it can be changed into a prime (378893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (64368).

2³⁷⁸⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

378897 is a deficient number, since it is larger than the sum of its proper divisors (136047).

378897 is a wasteful number, since it uses less digits than its factorization.

378897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its digits is 84672, while the sum is 42.

The square root of 378897 is about 615.5460990048. The cubic root of 378897 is about 72.3614158033.

It can be divided in two parts, 378 and 897, that added together give a triangular number (1275 = T₅₀).

The spelling of 378897 in words is "three hundred seventy-eight thousand, eight hundred ninety-seven".