287416972 has 24 divisors (see below), whose sum is σ = 508032000. Its totient is φ = 142271376.

The previous prime is 287416949. The next prime is 287416981. The reversal of 287416972 is 279614782.

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, 332613 + ... + 333475.

It is an arithmetic number, because the mean of its divisors is an integer number (21168000).

Almost surely, 2^287416972 is an apocalyptic number.

It is an amenable number.

287416972 is a deficient number, since it is larger than the sum of its proper divisors (220615028).

287416972 is a wasteful number, since it uses less digits than its factorization.

287416972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1603 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 287416972 is about 16953.3764188730. The cubic root of 287416972 is about 659.9395200166.

The spelling of 287416972 in words is "two hundred eighty-seven million, four hundred sixteen thousand, nine hundred seventy-two".