4723865 has 4 divisors (see below), whose sum is σ = 5668644. Its totient is φ = 3779088.

The previous prime is 4723861. The next prime is 4723877. The reversal of 4723865 is 5683274.

It is a happy number.

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 1792921 + 2930944 = 1339^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 4723865 - 2² = 4723861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4723861) 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, 472382 + ... + 472391.

It is an arithmetic number, because the mean of its divisors is an integer number (1417161).

Almost surely, 2^4723865 is an apocalyptic number.

It is an amenable number.

4723865 is a deficient number, since it is larger than the sum of its proper divisors (944779).

4723865 is an equidigital number, since it uses as much as digits as its factorization.

4723865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944778.

The product of its digits is 40320, while the sum is 35.

The square root of 4723865 is about 2173.4454214449. The cubic root of 4723865 is about 167.7899041309.

The spelling of 4723865 in words is "four million, seven hundred twenty-three thousand, eight hundred sixty-five".