4640871 has 16 divisors (see below), whose sum is σ = 6529536. Its totient is φ = 2926176.

The previous prime is 4640869. The next prime is 4640929. The reversal of 4640871 is 1780464.

4640871 = T₄₂₆ + T₄₂₇ + ... + T₄₇₁.

It is not a de Polignac number, because 4640871 - 2¹ = 4640869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640821) 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 15 ways as a sum of consecutive naturals, for example, 6781 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (408096).

Almost surely, 2^4640871 is an apocalyptic number.

4640871 is a deficient number, since it is larger than the sum of its proper divisors (1888665).

4640871 is a wasteful number, since it uses less digits than its factorization.

4640871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 4640871 is about 2154.2680891662. The cubic root of 4640871 is about 166.8014540759.

The spelling of 4640871 in words is "four million, six hundred forty thousand, eight hundred seventy-one".