4249949 has 8 divisors (see below), whose sum is σ = 4909248. Its totient is φ = 3636160.

The previous prime is 4249943. The next prime is 4249951. The reversal of 4249949 is 9499424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4249949 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 (4249943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11177 + ... + 11550.

It is an arithmetic number, because the mean of its divisors is an integer number (613656).

Almost surely, 2^4249949 is an apocalyptic number.

It is an amenable number.

4249949 is a deficient number, since it is larger than the sum of its proper divisors (659299).

4249949 is a wasteful number, since it uses less digits than its factorization.

4249949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22755.

The product of its digits is 93312, while the sum is 41.

The square root of 4249949 is about 2061.5404434548. The cubic root of 4249949 is about 161.9799421389.

The spelling of 4249949 in words is "four million, two hundred forty-nine thousand, nine hundred forty-nine".