4288649 has 8 divisors (see below), whose sum is σ = 4502400. Its totient is φ = 4077216.

The previous prime is 4288637. The next prime is 4288681. The reversal of 4288649 is 9468824.

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 4288649 - 2²⁰ = 3240073 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 2¹¹ + 8 + 8⁵ + 6³ + 4¹¹ + 9⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4288619) 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, 4109 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (562800).

Almost surely, 2^4288649 is an apocalyptic number.

It is an amenable number.

4288649 is a deficient number, since it is larger than the sum of its proper divisors (213751).

4288649 is a wasteful number, since it uses less digits than its factorization.

4288649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its digits is 110592, while the sum is 41.

The square root of 4288649 is about 2070.9053575671. The cubic root of 4288649 is about 162.4701199499.

The spelling of 4288649 in words is "four million, two hundred eighty-eight thousand, six hundred forty-nine".