285006956 has 24 divisors (see below), whose sum is σ = 538008240. Its totient is φ = 131326272.

The previous prime is 285006937. The next prime is 285006959. The reversal of 285006956 is 659600582.

It is not an unprimeable number, because it can be changed into a prime (285006959) 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, 30110 + ... + 38426.

It is an arithmetic number, because the mean of its divisors is an integer number (22417010).

Almost surely, 2^285006956 is an apocalyptic number.

285006956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

285006956 is a deficient number, since it is larger than the sum of its proper divisors (253001284).

285006956 is a wasteful number, since it uses less digits than its factorization.

285006956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993 (or 8991 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 285006956 is about 16882.1490338168. The cubic root of 285006956 is about 658.0897904400.

The spelling of 285006956 in words is "two hundred eighty-five million, six thousand, nine hundred fifty-six".