4906865 has 4 divisors (see below), whose sum is σ = 5888244. Its totient is φ = 3925488.

The previous prime is 4906861. The next prime is 4906873. The reversal of 4906865 is 5686094.

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 1018081 + 3888784 = 1009^2 + 1972^2 .

It is a cyclic number.

It is not a de Polignac number, because 4906865 - 2² = 4906861 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4906861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490682 + ... + 490691.

It is an arithmetic number, because the mean of its divisors is an integer number (1472061).

Almost surely, 2^4906865 is an apocalyptic number.

It is an amenable number.

4906865 is a deficient number, since it is larger than the sum of its proper divisors (981379).

4906865 is an equidigital number, since it uses as much as digits as its factorization.

4906865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981378.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 4906865 is about 2215.1444648149. The cubic root of 4906865 is about 169.9292092800.

The spelling of 4906865 in words is "four million, nine hundred six thousand, eight hundred sixty-five".