287838741 has 8 divisors (see below), whose sum is σ = 383887584. Its totient is φ = 191841200.

The previous prime is 287838731. The next prime is 287838773. The reversal of 287838741 is 147838782.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-287838741 is a prime.

It is a super-2 number, since 2×287838741² = 165702281640930162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287838701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3091 + ... + 24191.

It is an arithmetic number, because the mean of its divisors is an integer number (47985948).

Almost surely, 2^287838741 is an apocalyptic number.

It is an amenable number.

287838741 is a deficient number, since it is larger than the sum of its proper divisors (96048843).

287838741 is a wasteful number, since it uses less digits than its factorization.

287838741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25651.

The product of its digits is 602112, while the sum is 48.

The square root of 287838741 is about 16965.8109443669. The cubic root of 287838741 is about 660.2621708674.

The spelling of 287838741 in words is "two hundred eighty-seven million, eight hundred thirty-eight thousand, seven hundred forty-one".