4328691 has 8 divisors (see below), whose sum is σ = 5823120. Its totient is φ = 2860256.

The previous prime is 4328677. The next prime is 4328711. The reversal of 4328691 is 1968234.

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=113.

It is not a de Polignac number, because 4328691 - 2⁹ = 4328179 is a prime.

4328691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4328641) 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, 38251 + ... + 38363.

It is an arithmetic number, because the mean of its divisors is an integer number (727890).

Almost surely, 2^4328691 is an apocalyptic number.

4328691 is a deficient number, since it is larger than the sum of its proper divisors (1494429).

4328691 is an frugal number, since it uses more digits than its factorization.

4328691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 116 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 4328691 is about 2080.5506482660. The cubic root of 4328691 is about 162.9742014447.

The spelling of 4328691 in words is "four million, three hundred twenty-eight thousand, six hundred ninety-one".