206378 has 8 divisors (see below), whose sum is σ = 325920. Its totient is φ = 97740.

The previous prime is 206369. The next prime is 206383. The reversal of 206378 is 873602.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (40740).

2²⁰⁶³⁷⁸ is an apocalyptic number.

206378 is a deficient number, since it is larger than the sum of its proper divisors (119542).

206378 is a wasteful number, since it uses less digits than its factorization.

206378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 206378 is about 454.2884546189. The cubic root of 206378 is about 59.0955074779.

The spelling of 206378 in words is "two hundred six thousand, three hundred seventy-eight".