4640886 has 24 divisors (see below), whose sum is σ = 10380864. Its totient is φ = 1496880.

The previous prime is 4640869. The next prime is 4640929. The reversal of 4640886 is 6880464.

4640886 is a `hidden beast` number, since 4 + 640 + 8 + 8 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4640886.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3601 + ... + 4716.

It is an arithmetic number, because the mean of its divisors is an integer number (432536).

Almost surely, 2^4640886 is an apocalyptic number.

4640886 is an abundant number, since it is smaller than the sum of its proper divisors (5739978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4640886 is a wasteful number, since it uses less digits than its factorization.

4640886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8356 (or 8353 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 4640886 is about 2154.2715706243. The cubic root of 4640886 is about 166.8016337849.

The spelling of 4640886 in words is "four million, six hundred forty thousand, eight hundred eighty-six".