4639473 has 12 divisors (see below), whose sum is σ = 6729268. Its totient is φ = 3080160.

The previous prime is 4639457. The next prime is 4639483. The reversal of 4639473 is 3749364.

4639473 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 4397409 = 492^2 + 2097^2 .

It is not a de Polignac number, because 4639473 - 2⁴ = 4639457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (4639423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1563 + ... + 3423.

Almost surely, 2^4639473 is an apocalyptic number.

It is an amenable number.

4639473 is a deficient number, since it is larger than the sum of its proper divisors (2089795).

4639473 is a wasteful number, since it uses less digits than its factorization.

4639473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2141 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 4639473 is about 2153.9435925762. The cubic root of 4639473 is about 166.7847034952.

The spelling of 4639473 in words is "four million, six hundred thirty-nine thousand, four hundred seventy-three".