285016448 has 64 divisors (see below), whose sum is σ = 581644800. Its totient is φ = 139087872.

The previous prime is 285016423. The next prime is 285016469. The reversal of 285016448 is 844610582.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446686 + ... + 1446882.

It is an arithmetic number, because the mean of its divisors is an integer number (9088200).

Almost surely, 2^285016448 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 285016448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290822400).

285016448 is an abundant number, since it is smaller than the sum of its proper divisors (296628352).

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

285016448 is a wasteful number, since it uses less digits than its factorization.

285016448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 285016448 is about 16882.4301568228. The cubic root of 285016448 is about 658.0970961318.

The spelling of 285016448 in words is "two hundred eighty-five million, sixteen thousand, four hundred forty-eight".