4057689 has 8 divisors (see below), whose sum is σ = 5425120. Its totient is φ = 2697696.

The previous prime is 4057687. The next prime is 4057693. The reversal of 4057689 is 9867504.

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

It is not a de Polignac number, because 4057689 - 2¹ = 4057687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4057681) 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, 427 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (678140).

Almost surely, 2^4057689 is an apocalyptic number.

It is an amenable number.

4057689 is a deficient number, since it is larger than the sum of its proper divisors (1367431).

4057689 is a wasteful number, since it uses less digits than its factorization.

4057689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

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

The square root of 4057689 is about 2014.3706213108. The cubic root of 4057689 is about 159.4995954563.

The spelling of 4057689 in words is "four million, fifty-seven thousand, six hundred eighty-nine".