4249647 has 24 divisors (see below), whose sum is σ = 6406400. Its totient is φ = 2712528.

The previous prime is 4249633. The next prime is 4249669. The reversal of 4249647 is 7469424.

4249647 is a `hidden beast` number, since 4 + 2 + 4 + 9 + 647 = 666.

It is not a de Polignac number, because 4249647 - 2⁸ = 4249391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30504 + ... + 30642.

Almost surely, 2^4249647 is an apocalyptic number.

4249647 is a deficient number, since it is larger than the sum of its proper divisors (2156753).

4249647 is a wasteful number, since it uses less digits than its factorization.

4249647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 264 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 4249647 is about 2061.4671959553. The cubic root of 4249647 is about 161.9761053006.

The spelling of 4249647 in words is "four million, two hundred forty-nine thousand, six hundred forty-seven".