285358396 has 24 divisors (see below), whose sum is σ = 532629216. Its totient is φ = 133301760.

The previous prime is 285358391. The next prime is 285358429. The reversal of 285358396 is 693853582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285358391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6000 + ... + 24631.

It is an arithmetic number, because the mean of its divisors is an integer number (22192884).

Almost surely, 2^285358396 is an apocalyptic number.

It is an amenable number.

285358396 is a deficient number, since it is larger than the sum of its proper divisors (247270820).

285358396 is a wasteful number, since it uses less digits than its factorization.

285358396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30789 (or 30787 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The square root of 285358396 is about 16892.5544545519. The cubic root of 285358396 is about 658.3601745755.

The spelling of 285358396 in words is "two hundred eighty-five million, three hundred fifty-eight thousand, three hundred ninety-six".