4056789 has 16 divisors (see below), whose sum is σ = 5935680. Its totient is φ = 2444160.

The previous prime is 4056769. The next prime is 4056803. The reversal of 4056789 is 9876504.

It is not a de Polignac number, because 4056789 - 2¹¹ = 4054741 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 0 + 5⁹ + 6 + 7⁴ + 8⁷ + 9 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8649 + ... + 9105.

It is an arithmetic number, because the mean of its divisors is an integer number (370980).

Almost surely, 2^4056789 is an apocalyptic number.

It is an amenable number.

4056789 is a deficient number, since it is larger than the sum of its proper divisors (1878891).

4056789 is a wasteful number, since it uses less digits than its factorization.

4056789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 4056789 is about 2014.1472140834. The cubic root of 4056789 is about 159.4878021876.

The spelling of 4056789 in words is "four million, fifty-six thousand, seven hundred eighty-nine".