285450338 has 16 divisors (see below), whose sum is σ = 462894720. Its totient is φ = 131558256.

The previous prime is 285450329. The next prime is 285450353. The reversal of 285450338 is 833054582.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100106 + ... + 102917.

It is an arithmetic number, because the mean of its divisors is an integer number (28930920).

Almost surely, 2^285450338 is an apocalyptic number.

285450338 is a deficient number, since it is larger than the sum of its proper divisors (177444382).

285450338 is a wasteful number, since it uses less digits than its factorization.

285450338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203081.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 285450338 is about 16895.2756118389. The cubic root of 285450338 is about 658.4308745002.

The spelling of 285450338 in words is "two hundred eighty-five million, four hundred fifty thousand, three hundred thirty-eight".