287088442 has 8 divisors (see below), whose sum is σ = 453297600. Its totient is φ = 135989244.

The previous prime is 287088409. The next prime is 287088443. The reversal of 287088442 is 244880782.

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 (287088443) 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, 3777442 + ... + 3777517.

It is an arithmetic number, because the mean of its divisors is an integer number (56662200).

Almost surely, 2^287088442 is an apocalyptic number.

287088442 is a deficient number, since it is larger than the sum of its proper divisors (166209158).

287088442 is a wasteful number, since it uses less digits than its factorization.

287088442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554980.

The product of its (nonzero) digits is 229376, while the sum is 43.

The square root of 287088442 is about 16943.6844281284. The cubic root of 287088442 is about 659.6879777026.

The spelling of 287088442 in words is "two hundred eighty-seven million, eighty-eight thousand, four hundred forty-two".