287941472 has 96 divisors (see below), whose sum is σ = 709579584. Its totient is φ = 111974400.

The previous prime is 287941471. The next prime is 287941481. The reversal of 287941472 is 274149782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287941471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176822 + ... + 178442.

It is an arithmetic number, because the mean of its divisors is an integer number (7391454).

Almost surely, 2^287941472 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 287941472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354789792).

287941472 is an abundant number, since it is smaller than the sum of its proper divisors (421638112).

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

287941472 is a wasteful number, since it uses less digits than its factorization.

287941472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1704 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 287941472 is about 16968.8382631222. The cubic root of 287941472 is about 660.3407117487.

The spelling of 287941472 in words is "two hundred eighty-seven million, nine hundred forty-one thousand, four hundred seventy-two".