4638673 has 4 divisors (see below), whose sum is σ = 4995508. Its totient is φ = 4281840.

The previous prime is 4638659. The next prime is 4638677. The reversal of 4638673 is 3768364.

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 824464 + 3814209 = 908^2 + 1953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4638673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638677) 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, 178398 + ... + 178423.

It is an arithmetic number, because the mean of its divisors is an integer number (1248877).

Almost surely, 2^4638673 is an apocalyptic number.

It is an amenable number.

4638673 is a deficient number, since it is larger than the sum of its proper divisors (356835).

4638673 is a wasteful number, since it uses less digits than its factorization.

4638673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356834.

The product of its digits is 72576, while the sum is 37.

The square root of 4638673 is about 2153.7578786855. The cubic root of 4638673 is about 166.7751165276.

The spelling of 4638673 in words is "four million, six hundred thirty-eight thousand, six hundred seventy-three".