4638454 has 8 divisors (see below), whose sum is σ = 7089120. Its totient is φ = 2275416.

The previous prime is 4638449. The next prime is 4638457. The reversal of 4638454 is 4548364.

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

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21774 + ... + 21985.

It is an arithmetic number, because the mean of its divisors is an integer number (886140).

Almost surely, 2^4638454 is an apocalyptic number.

4638454 is a deficient number, since it is larger than the sum of its proper divisors (2450666).

4638454 is a wasteful number, since it uses less digits than its factorization.

4638454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43814.

The product of its digits is 46080, while the sum is 34.

The square root of 4638454 is about 2153.7070367160. The cubic root of 4638454 is about 166.7724919030.

The spelling of 4638454 in words is "four million, six hundred thirty-eight thousand, four hundred fifty-four".