4051749 has 16 divisors (see below), whose sum is σ = 6072192. Its totient is φ = 2384448.

The previous prime is 4051741. The next prime is 4051753. The reversal of 4051749 is 9471504.

It is a happy number.

It is not a de Polignac number, because 4051749 - 2³ = 4051741 is a prime.

4051749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051741) 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 15 ways as a sum of consecutive naturals, for example, 1362 + ... + 3155.

It is an arithmetic number, because the mean of its divisors is an integer number (379512).

Almost surely, 2^4051749 is an apocalyptic number.

It is an amenable number.

4051749 is a deficient number, since it is larger than the sum of its proper divisors (2020443).

4051749 is a wasteful number, since it uses less digits than its factorization.

4051749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 4051749 is about 2012.8956753891. The cubic root of 4051749 is about 159.4217276287.

The spelling of 4051749 in words is "four million, fifty-one thousand, seven hundred forty-nine".