285303395 has 24 divisors (see below), whose sum is σ = 376900944. Its totient is φ = 206099136.

The previous prime is 285303377. The next prime is 285303397. The reversal of 285303395 is 593303582.

It is a happy number.

It is not a de Polignac number, because 285303395 - 2¹⁴ = 285287011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285303397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142592 + ... + 144578.

It is an arithmetic number, because the mean of its divisors is an integer number (15704206).

Almost surely, 2^285303395 is an apocalyptic number.

285303395 is a deficient number, since it is larger than the sum of its proper divisors (91597549).

285303395 is a wasteful number, since it uses less digits than its factorization.

285303395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 285303395 is about 16890.9264103542. The cubic root of 285303395 is about 658.3178736244.

The spelling of 285303395 in words is "two hundred eighty-five million, three hundred three thousand, three hundred ninety-five".