285625378 has 8 divisors (see below), whose sum is σ = 428510160. Its totient is φ = 142788660.

The previous prime is 285625367. The next prime is 285625387. The reversal of 285625378 is 873526582.

It is a happy number.

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, 14913 + ... + 28171.

It is an arithmetic number, because the mean of its divisors is an integer number (53563770).

Almost surely, 2^285625378 is an apocalyptic number.

285625378 is a deficient number, since it is larger than the sum of its proper divisors (142884782).

285625378 is a wasteful number, since it uses less digits than its factorization.

285625378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24032.

The product of its digits is 806400, while the sum is 46.

The square root of 285625378 is about 16900.4549642902. The cubic root of 285625378 is about 658.5654316954.

The spelling of 285625378 in words is "two hundred eighty-five million, six hundred twenty-five thousand, three hundred seventy-eight".