285588961 has 8 divisors (see below), whose sum is σ = 327602880. Its totient is φ = 243878928.

The previous prime is 285588959. The next prime is 285588971. The reversal of 285588961 is 169885582.

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

It is a cyclic number.

It is not a de Polignac number, because 285588961 - 2¹ = 285588959 is a prime.

It is a super-2 number, since 2×285588961² = 163122109290119042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285588899 and 285588908.

It is not an unprimeable number, because it can be changed into a prime (285588931) 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, 73951 + ... + 77716.

It is an arithmetic number, because the mean of its divisors is an integer number (40950360).

Almost surely, 2^285588961 is an apocalyptic number.

It is an amenable number.

285588961 is a deficient number, since it is larger than the sum of its proper divisors (42013919).

285588961 is a wasteful number, since it uses less digits than its factorization.

285588961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151943.

The product of its digits is 1382400, while the sum is 52.

The square root of 285588961 is about 16899.3775329152. The cubic root of 285588961 is about 658.5374416561.

The spelling of 285588961 in words is "two hundred eighty-five million, five hundred eighty-eight thousand, nine hundred sixty-one".