4086749 has 12 divisors (see below), whose sum is σ = 4420800. Its totient is φ = 3776448.

The previous prime is 4086743. The next prime is 4086751. The reversal of 4086749 is 9476804.

It is a happy number.

It is not a de Polignac number, because 4086749 - 2⁸ = 4086493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4086743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22742 + ... + 22920.

It is an arithmetic number, because the mean of its divisors is an integer number (368400).

Almost surely, 2^4086749 is an apocalyptic number.

It is an amenable number.

4086749 is a deficient number, since it is larger than the sum of its proper divisors (334051).

4086749 is a wasteful number, since it uses less digits than its factorization.

4086749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4086749 is about 2021.5709238115. The cubic root of 4086749 is about 159.8794534720.

The spelling of 4086749 in words is "four million, eighty-six thousand, seven hundred forty-nine".