285001416 has 160 divisors (see below), whose sum is σ = 924517440. Its totient is φ = 80341632.

The previous prime is 285001399. The next prime is 285001421. The reversal of 285001416 is 614100582.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 285001416.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 376110 + ... + 376866.

It is an arithmetic number, because the mean of its divisors is an integer number (5778234).

Almost surely, 2^285001416 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 285001416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462258720).

285001416 is an abundant number, since it is smaller than the sum of its proper divisors (639516024).

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

285001416 is a wasteful number, since it uses less digits than its factorization.

285001416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 285001416 is about 16881.9849543826. The cubic root of 285001416 is about 658.0855264025.

Adding to 285001416 its reverse (614100582), we get a palindrome (899101998).

The spelling of 285001416 in words is "two hundred eighty-five million, one thousand, four hundred sixteen".