285666962 has 48 divisors (see below), whose sum is σ = 511166880. Its totient is φ = 119351232.

The previous prime is 285666961. The next prime is 285666977. The reversal of 285666962 is 269666582.

It is a super-2 number, since 2×285666962² = 163211226356618888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 285666962.

It is not an unprimeable number, because it can be changed into a prime (285666961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 912518 + ... + 912830.

It is an arithmetic number, because the mean of its divisors is an integer number (10649310).

Almost surely, 2^285666962 is an apocalyptic number.

285666962 is a deficient number, since it is larger than the sum of its proper divisors (225499918).

285666962 is a wasteful number, since it uses less digits than its factorization.

285666962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 528 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 285666962 is about 16901.6851822533. The cubic root of 285666962 is about 658.5973901722.

The spelling of 285666962 in words is "two hundred eighty-five million, six hundred sixty-six thousand, nine hundred sixty-two".