285883488 has 288 divisors, whose sum is σ = 951035904. Its totient is φ = 80640000.

The previous prime is 285883471. The next prime is 285883501. The reversal of 285883488 is 884388582.

285883488 is a `hidden beast` number, since 2 + 85 + 8 + 83 + 488 = 666.

285883488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×285883488² = 163458737422092288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4026493 + ... + 4026563.

It is an arithmetic number, because the mean of its divisors is an integer number (3302208).

Almost surely, 2^285883488 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 285883488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475517952).

285883488 is an abundant number, since it is smaller than the sum of its proper divisors (665152416).

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

285883488 is a wasteful number, since it uses less digits than its factorization.

285883488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 159 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 54.

The square root of 285883488 is about 16908.0894248877. The cubic root of 285883488 is about 658.7637464111.

The spelling of 285883488 in words is "two hundred eighty-five million, eight hundred eighty-three thousand, four hundred eighty-eight".