4591606 has 4 divisors (see below), whose sum is σ = 6887412. Its totient is φ = 2295802.

The previous prime is 4591591. The next prime is 4591607. The reversal of 4591606 is 6061954.

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

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591607) 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 as a sum of consecutive naturals, namely, 1147900 + ... + 1147903.

It is an arithmetic number, because the mean of its divisors is an integer number (1721853).

Almost surely, 2^4591606 is an apocalyptic number.

4591606 is a deficient number, since it is larger than the sum of its proper divisors (2295806).

4591606 is a wasteful number, since it uses less digits than its factorization.

4591606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295805.

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

The square root of 4591606 is about 2142.8033040856. The cubic root of 4591606 is about 166.2091282119.

The spelling of 4591606 in words is "four million, five hundred ninety-one thousand, six hundred six".