4638459 has 8 divisors (see below), whose sum is σ = 7068160. Its totient is φ = 2650536.

The previous prime is 4638457. The next prime is 4638461. The reversal of 4638459 is 9548364.

It is an interprime number because it is at equal distance from previous prime (4638457) and next prime (4638461).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4638459 - 2¹ = 4638457 is a prime.

It is a super-3 number, since 3×4638459³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110419 + ... + 110460.

It is an arithmetic number, because the mean of its divisors is an integer number (883520).

Almost surely, 2^4638459 is an apocalyptic number.

4638459 is a deficient number, since it is larger than the sum of its proper divisors (2429701).

4638459 is a wasteful number, since it uses less digits than its factorization.

4638459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220889.

The product of its digits is 103680, while the sum is 39.

The square root of 4638459 is about 2153.7081975049. The cubic root of 4638459 is about 166.7725518269.

It can be divided in two parts, 463845 and 9, that multiplied together give a triangular number (4174605 = T₂₈₈₉).

The spelling of 4638459 in words is "four million, six hundred thirty-eight thousand, four hundred fifty-nine".