287232632 has 16 divisors (see below), whose sum is σ = 538882800. Its totient is φ = 143530560.

The previous prime is 287232613. The next prime is 287232641. The reversal of 287232632 is 236232782.

It is a junction number, because it is equal to n+sod(n) for n = 287232592 and 287232601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4844 + ... + 24452.

It is an arithmetic number, because the mean of its divisors is an integer number (33680175).

Almost surely, 2^287232632 is an apocalyptic number.

It is an amenable number.

287232632 is a deficient number, since it is larger than the sum of its proper divisors (251650168).

287232632 is a wasteful number, since it uses less digits than its factorization.

287232632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446 (or 21442 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 287232632 is about 16947.9388717330. The cubic root of 287232632 is about 659.7984018499.

The spelling of 287232632 in words is "two hundred eighty-seven million, two hundred thirty-two thousand, six hundred thirty-two".