287534652 has 48 divisors (see below), whose sum is σ = 695671200. Its totient is φ = 92323840.

The previous prime is 287534629. The next prime is 287534677. The reversal of 287534652 is 256435782.

It is a super-2 number, since 2×287534652² = 165352352201522208, 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 15 ways as a sum of consecutive naturals, for example, 222424 + ... + 223712.

It is an arithmetic number, because the mean of its divisors is an integer number (14493150).

Almost surely, 2^287534652 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 287534652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347835600).

287534652 is an abundant number, since it is smaller than the sum of its proper divisors (408136548).

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

287534652 is a wasteful number, since it uses less digits than its factorization.

287534652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 287534652 is about 16956.8467587580. The cubic root of 287534652 is about 660.0295762687.

The spelling of 287534652 in words is "two hundred eighty-seven million, five hundred thirty-four thousand, six hundred fifty-two".