4638648 has 32 divisors (see below), whose sum is σ = 13253760. Its totient is φ = 1325280.

The previous prime is 4638631. The next prime is 4638659. The reversal of 4638648 is 8468364.

4638648 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

4638648 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13638 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (414180).

Almost surely, 2^4638648 is an apocalyptic number.

It is an amenable number.

4638648 is an abundant number, since it is smaller than the sum of its proper divisors (8615112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4638648 is a wasteful number, since it uses less digits than its factorization.

4638648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27627 (or 27623 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 4638648 is about 2153.7520748684. The cubic root of 4638648 is about 166.7748169171.

The spelling of 4638648 in words is "four million, six hundred thirty-eight thousand, six hundred forty-eight".