4620865 has 4 divisors (see below), whose sum is σ = 5545044. Its totient is φ = 3696688.

The previous prime is 4620853. The next prime is 4620871. The reversal of 4620865 is 5680264.

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

It can be written as a sum of positive squares in 2 ways, for example, as 712336 + 3908529 = 844^2 + 1977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4620865 is a prime.

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 Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 462082 + ... + 462091.

It is an arithmetic number, because the mean of its divisors is an integer number (1386261).

Almost surely, 2^4620865 is an apocalyptic number.

It is an amenable number.

4620865 is a deficient number, since it is larger than the sum of its proper divisors (924179).

4620865 is an equidigital number, since it uses as much as digits as its factorization.

4620865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924178.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4620865 is about 2149.6197338134. The cubic root of 4620865 is about 166.5614246698.

The spelling of 4620865 in words is "four million, six hundred twenty thousand, eight hundred sixty-five".