285800378 has 8 divisors (see below), whose sum is σ = 428912820. Its totient is φ = 142829440.

The previous prime is 285800371. The next prime is 285800393. The reversal of 285800378 is 873008582.

285800378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 258791569 + 27008809 = 16087^2 + 5197^2 .

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

It is not an unprimeable number, because it can be changed into a prime (285800371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30173 + ... + 38496.

Almost surely, 2^285800378 is an apocalyptic number.

285800378 is a deficient number, since it is larger than the sum of its proper divisors (143112442).

285800378 is a wasteful number, since it uses less digits than its factorization.

285800378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70752.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 285800378 is about 16905.6315469136. The cubic root of 285800378 is about 658.6999031980.

The spelling of 285800378 in words is "two hundred eighty-five million, eight hundred thousand, three hundred seventy-eight".