4259749 has 4 divisors (see below), whose sum is σ = 4587436. Its totient is φ = 3932064.

The previous prime is 4259729. The next prime is 4259753. The reversal of 4259749 is 9479524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1979649 + 2280100 = 1407^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 4259749 - 2⁷ = 4259621 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 (4259719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163824 + ... + 163849.

It is an arithmetic number, because the mean of its divisors is an integer number (1146859).

Almost surely, 2^4259749 is an apocalyptic number.

It is an amenable number.

4259749 is a deficient number, since it is larger than the sum of its proper divisors (327687).

4259749 is a wasteful number, since it uses less digits than its factorization.

4259749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327686.

The product of its digits is 90720, while the sum is 40.

The square root of 4259749 is about 2063.9159382107. The cubic root of 4259749 is about 162.1043502873.

The spelling of 4259749 in words is "four million, two hundred fifty-nine thousand, seven hundred forty-nine".