4591642 has 16 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 2067520.

The previous prime is 4591633. The next prime is 4591661. The reversal of 4591642 is 2461954.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563 + ... + 3409.

It is an arithmetic number, because the mean of its divisors is an integer number (474012).

Almost surely, 2^4591642 is an apocalyptic number.

4591642 is a deficient number, since it is larger than the sum of its proper divisors (2992550).

4591642 is a wasteful number, since it uses less digits than its factorization.

4591642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its digits is 8640, while the sum is 31.

The square root of 4591642 is about 2142.8117042801. The cubic root of 4591642 is about 166.2095625924.

The spelling of 4591642 in words is "four million, five hundred ninety-one thousand, six hundred forty-two".