287141616 has 120 divisors (see below), whose sum is σ = 834113280. Its totient is φ = 92147328.

The previous prime is 287141599. The next prime is 287141639. The reversal of 287141616 is 616141782.

It is a happy number.

287141616 is a `hidden beast` number, since 28 + 7 + 14 + 1 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488875 + ... + 489461.

It is an arithmetic number, because the mean of its divisors is an integer number (6950944).

Almost surely, 2^287141616 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 287141616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417056640).

287141616 is an abundant number, since it is smaller than the sum of its proper divisors (546971664).

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

287141616 is a wasteful number, since it uses less digits than its factorization.

287141616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 714 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 287141616 is about 16945.2534947105. The cubic root of 287141616 is about 659.7287039248.

The spelling of 287141616 in words is "two hundred eighty-seven million, one hundred forty-one thousand, six hundred sixteen".