4621685 has 4 divisors (see below), whose sum is σ = 5546028. Its totient is φ = 3697344.

The previous prime is 4621679. The next prime is 4621691. The reversal of 4621685 is 5861264.

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

It is an interprime number because it is at equal distance from previous prime (4621679) and next prime (4621691).

It can be written as a sum of positive squares in 2 ways, for example, as 649636 + 3972049 = 806^2 + 1993^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621685 - 2⁶ = 4621621 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 462164 + ... + 462173.

It is an arithmetic number, because the mean of its divisors is an integer number (1386507).

Almost surely, 2^4621685 is an apocalyptic number.

It is an amenable number.

4621685 is a deficient number, since it is larger than the sum of its proper divisors (924343).

4621685 is an equidigital number, since it uses as much as digits as its factorization.

4621685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924342.

The product of its digits is 11520, while the sum is 32.

The square root of 4621685 is about 2149.8104567612. The cubic root of 4621685 is about 166.5712765259.

The spelling of 4621685 in words is "four million, six hundred twenty-one thousand, six hundred eighty-five".