4459749 has 8 divisors (see below), whose sum is σ = 6795840. Its totient is φ = 2548416.

The previous prime is 4459747. The next prime is 4459757. The reversal of 4459749 is 9479544.

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

It is not a de Polignac number, because 4459749 - 2¹ = 4459747 is a prime.

It is a super-2 number, since 2×4459749² = 39778722286002, which contains 22 as substring.

4459749 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4459749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4459747) 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, 106164 + ... + 106205.

It is an arithmetic number, because the mean of its divisors is an integer number (849480).

Almost surely, 2^4459749 is an apocalyptic number.

It is an amenable number.

4459749 is a deficient number, since it is larger than the sum of its proper divisors (2336091).

4459749 is a wasteful number, since it uses less digits than its factorization.

4459749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212379.

The product of its digits is 181440, while the sum is 42.

The square root of 4459749 is about 2111.8117813858. The cubic root of 4459749 is about 164.6026434784.

The spelling of 4459749 in words is "four million, four hundred fifty-nine thousand, seven hundred forty-nine".