285798064 has 20 divisors (see below), whose sum is σ = 568700704. Its totient is φ = 139036608.

The previous prime is 285798049. The next prime is 285798077. The reversal of 285798064 is 460897582.

It is a super-2 number, since 2×285798064² = 163361066772296192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 285797999 and 285798017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240792 + ... + 241975.

Almost surely, 2^285798064 is an apocalyptic number.

It is an amenable number.

285798064 is a deficient number, since it is larger than the sum of its proper divisors (282902640).

285798064 is a wasteful number, since it uses less digits than its factorization.

285798064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482812 (or 482806 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 285798064 is about 16905.5631080423. The cubic root of 285798064 is about 658.6981254587.

The spelling of 285798064 in words is "two hundred eighty-five million, seven hundred ninety-eight thousand, sixty-four".