285946992 has 30 divisors (see below), whose sum is σ = 800254832. Its totient is φ = 95315616.

The previous prime is 285946957. The next prime is 285946993. The reversal of 285946992 is 299649582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285946993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 992728 + ... + 993015.

Almost surely, 2^285946992 is an apocalyptic number.

It is an amenable number.

285946992 is an abundant number, since it is smaller than the sum of its proper divisors (514307840).

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

285946992 is a wasteful number, since it uses less digits than its factorization.

285946992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985757 (or 1985748 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 285946992 is about 16909.9672382888. The cubic root of 285946992 is about 658.8125204018.

The spelling of 285946992 in words is "two hundred eighty-five million, nine hundred forty-six thousand, nine hundred ninety-two".