287002442 has 8 divisors (see below), whose sum is σ = 430612416. Its totient is φ = 143464972.

The previous prime is 287002409. The next prime is 287002447. The reversal of 287002442 is 244200782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (287002447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6818 + ... + 24909.

It is an arithmetic number, because the mean of its divisors is an integer number (53826552).

Almost surely, 2^287002442 is an apocalyptic number.

287002442 is a deficient number, since it is larger than the sum of its proper divisors (143609974).

287002442 is a wasteful number, since it uses less digits than its factorization.

287002442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36252.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 287002442 is about 16941.1464192952. The cubic root of 287002442 is about 659.6220992441.

The spelling of 287002442 in words is "two hundred eighty-seven million, two thousand, four hundred forty-two".