4289649 has 32 divisors (see below), whose sum is σ = 7418880. Its totient is φ = 2140992.

The previous prime is 4289647. The next prime is 4289653. The reversal of 4289649 is 9469824.

It is not a de Polignac number, because 4289649 - 2¹ = 4289647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4289649.

It is not an unprimeable number, because it can be changed into a prime (4289647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4774 + ... + 5600.

It is an arithmetic number, because the mean of its divisors is an integer number (231840).

Almost surely, 2^4289649 is an apocalyptic number.

It is an amenable number.

4289649 is a deficient number, since it is larger than the sum of its proper divisors (3129231).

4289649 is a wasteful number, since it uses less digits than its factorization.

4289649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869.

The product of its digits is 124416, while the sum is 42.

The square root of 4289649 is about 2071.1467837891. The cubic root of 4289649 is about 162.4827468862.

The spelling of 4289649 in words is "four million, two hundred eighty-nine thousand, six hundred forty-nine".