4288739 has 8 divisors (see below), whose sum is σ = 5278560. Its totient is φ = 3393216.

The previous prime is 4288733. The next prime is 4288747. The reversal of 4288739 is 9378824.

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

It is a cyclic number.

It is not a de Polignac number, because 4288739 - 2²⁰ = 3240163 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2¹¹ + 8³ + 8⁵ + 7² + 3¹⁰ + 9 .

It is a junction number, because it is equal to n+sod(n) for n = 4288696 and 4288705.

It is not an unprimeable number, because it can be changed into a prime (4288733) 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, 23474 + ... + 23655.

It is an arithmetic number, because the mean of its divisors is an integer number (659820).

Almost surely, 2^4288739 is an apocalyptic number.

4288739 is a deficient number, since it is larger than the sum of its proper divisors (989821).

4288739 is a wasteful number, since it uses less digits than its factorization.

4288739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47149.

The product of its digits is 96768, while the sum is 41.

The square root of 4288739 is about 2070.9270870796. The cubic root of 4288739 is about 162.4712564545.

The spelling of 4288739 in words is "four million, two hundred eighty-eight thousand, seven hundred thirty-nine".