4229649 has 12 divisors (see below), whose sum is σ = 6138756. Its totient is φ = 2806272.

The previous prime is 4229639. The next prime is 4229657. The reversal of 4229649 is 9469224.

4229649 is a `hidden beast` number, since 4 + 2 + 2 + 9 + 649 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2250000 + 1979649 = 1500^2 + 1407^2 .

It is not a de Polignac number, because 4229649 - 2⁴ = 4229633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4229639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1089 + ... + 3105.

It is an arithmetic number, because the mean of its divisors is an integer number (511563).

Almost surely, 2^4229649 is an apocalyptic number.

It is an amenable number.

4229649 is a deficient number, since it is larger than the sum of its proper divisors (1909107).

4229649 is a wasteful number, since it uses less digits than its factorization.

4229649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2253 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 4229649 is about 2056.6110473300. The cubic root of 4229649 is about 161.7216298514.

The spelling of 4229649 in words is "four million, two hundred twenty-nine thousand, six hundred forty-nine".