4291689 has 8 divisors (see below), whose sum is σ = 5748160. Its totient is φ = 2848176.

The previous prime is 4291673. The next prime is 4291697. The reversal of 4291689 is 9861924.

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

It is not a de Polignac number, because 4291689 - 2⁴ = 4291673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4291619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437 + ... + 3810.

It is an arithmetic number, because the mean of its divisors is an integer number (718520).

Almost surely, 2^4291689 is an apocalyptic number.

It is an amenable number.

4291689 is a deficient number, since it is larger than the sum of its proper divisors (1456471).

4291689 is a wasteful number, since it uses less digits than its factorization.

4291689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479.

The product of its digits is 31104, while the sum is 39.

The square root of 4291689 is about 2071.6392060395. The cubic root of 4291689 is about 162.5084997526.

The spelling of 4291689 in words is "four million, two hundred ninety-one thousand, six hundred eighty-nine".