285046916 has 144 divisors (see below), whose sum is σ = 675682560. Its totient is φ = 103864320.

The previous prime is 285046901. The next prime is 285046919. The reversal of 285046916 is 619640582.

It is a happy number.

It is a super-2 number, since 2×285046916² = 162503488642222112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (285046919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2938580 + ... + 2938676.

It is an arithmetic number, because the mean of its divisors is an integer number (4692240).

Almost surely, 2^285046916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285046916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337841280).

285046916 is an abundant number, since it is smaller than the sum of its proper divisors (390635644).

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

285046916 is a wasteful number, since it uses less digits than its factorization.

285046916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 285046916 is about 16883.3324909509. The cubic root of 285046916 is about 658.1205452907.

The spelling of 285046916 in words is "two hundred eighty-five million, forty-six thousand, nine hundred sixteen".