285383799 has 12 divisors (see below), whose sum is σ = 425518912. Its totient is φ = 184118400.

The previous prime is 285383789. The next prime is 285383801. The reversal of 285383799 is 997383582.

It is a happy number.

It is not a de Polignac number, because 285383799 - 2⁴ = 285383783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285383789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511162 + ... + 511719.

Almost surely, 2^285383799 is an apocalyptic number.

285383799 is a deficient number, since it is larger than the sum of its proper divisors (140135113).

285383799 is a wasteful number, since it uses less digits than its factorization.

285383799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022918 (or 1022915 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 285383799 is about 16893.3063371265. The cubic root of 285383799 is about 658.3797100409.

The spelling of 285383799 in words is "two hundred eighty-five million, three hundred eighty-three thousand, seven hundred ninety-nine".