4605691 has 4 divisors (see below), whose sum is σ = 4876632. Its totient is φ = 4334752.

The previous prime is 4605673. The next prime is 4605703. The reversal of 4605691 is 1965064.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4605691 - 2⁵ = 4605659 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4605641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135445 + ... + 135478.

It is an arithmetic number, because the mean of its divisors is an integer number (1219158).

Almost surely, 2^4605691 is an apocalyptic number.

4605691 is a deficient number, since it is larger than the sum of its proper divisors (270941).

4605691 is a wasteful number, since it uses less digits than its factorization.

4605691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270940.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4605691 is about 2146.0873700761. The cubic root of 4605691 is about 166.3789065618.

The spelling of 4605691 in words is "four million, six hundred five thousand, six hundred ninety-one".