285064793 has 8 divisors (see below), whose sum is σ = 312785928. Its totient is φ = 258171264.

The previous prime is 285064763. The next prime is 285064807. The reversal of 285064793 is 397460582.

It can be written as a sum of positive squares in 4 ways, for example, as 18983449 + 266081344 = 4357^2 + 16312^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 285064793 - 2⁸ = 285064537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285064753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206180 + ... + 207557.

It is an arithmetic number, because the mean of its divisors is an integer number (39098241).

Almost surely, 2^285064793 is an apocalyptic number.

It is an amenable number.

285064793 is a deficient number, since it is larger than the sum of its proper divisors (27721135).

285064793 is a wasteful number, since it uses less digits than its factorization.

285064793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413803.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 285064793 is about 16883.8619101200. The cubic root of 285064793 is about 658.1343032306.

The spelling of 285064793 in words is "two hundred eighty-five million, sixty-four thousand, seven hundred ninety-three".