4285649 has 8 divisors (see below), whose sum is σ = 4694760. Its totient is φ = 3894016.

The previous prime is 4285643. The next prime is 4285651. The reversal of 4285649 is 9465824.

It can be written as a sum of positive squares in 4 ways, for example, as 313600 + 3972049 = 560^2 + 1993^2 .

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-4285649 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285643) 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, 3854 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (586845).

Almost surely, 2^4285649 is an apocalyptic number.

It is an amenable number.

4285649 is a deficient number, since it is larger than the sum of its proper divisors (409111).

4285649 is a wasteful number, since it uses less digits than its factorization.

4285649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739.

The product of its digits is 69120, while the sum is 38.

The square root of 4285649 is about 2070.1809099690. The cubic root of 4285649 is about 162.4322273598.

The spelling of 4285649 in words is "four million, two hundred eighty-five thousand, six hundred forty-nine".