4287993 has 8 divisors (see below), whose sum is σ = 5773248. Its totient is φ = 2830704.

The previous prime is 4287991. The next prime is 4288021. The reversal of 4287993 is 3997824.

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

It is not a de Polignac number, because 4287993 - 2¹ = 4287991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4287991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6630 + ... + 7247.

It is an arithmetic number, because the mean of its divisors is an integer number (721656).

Almost surely, 2^4287993 is an apocalyptic number.

It is an amenable number.

4287993 is a deficient number, since it is larger than the sum of its proper divisors (1485255).

4287993 is a wasteful number, since it uses less digits than its factorization.

4287993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13983.

The product of its digits is 108864, while the sum is 42.

The square root of 4287993 is about 2070.7469666765. The cubic root of 4287993 is about 162.4618356134.

The spelling of 4287993 in words is "four million, two hundred eighty-seven thousand, nine hundred ninety-three".