285059946 has 32 divisors (see below), whose sum is σ = 576072000. Its totient is φ = 94033280.

The previous prime is 285059941. The next prime is 285059981. The reversal of 285059946 is 649950582.

It is a junction number, because it is equal to n+sod(n) for n = 285059895 and 285059904.

It is not an unprimeable number, because it can be changed into a prime (285059941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374206 + ... + 374966.

It is an arithmetic number, because the mean of its divisors is an integer number (18002250).

Almost surely, 2^285059946 is an apocalyptic number.

285059946 is an abundant number, since it is smaller than the sum of its proper divisors (291012054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285059946 is a wasteful number, since it uses less digits than its factorization.

285059946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 285059946 is about 16883.7183700748. The cubic root of 285059946 is about 658.1305730903.

The spelling of 285059946 in words is "two hundred eighty-five million, fifty-nine thousand, nine hundred forty-six".