7438648 has 16 divisors (see below), whose sum is σ = 15940080. Its totient is φ = 3187968.

The previous prime is 7438631. The next prime is 7438663. The reversal of 7438648 is 8468347.

It is a self number, because there is not a number n which added to its sum of digits gives 7438648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66361 + ... + 66472.

It is an arithmetic number, because the mean of its divisors is an integer number (996255).

Almost surely, 2^7438648 is an apocalyptic number.

It is an amenable number.

7438648 is an abundant number, since it is smaller than the sum of its proper divisors (8501432).

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

7438648 is a wasteful number, since it uses less digits than its factorization.

7438648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132846 (or 132842 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 7438648 is about 2727.3884945127. The cubic root of 7438648 is about 195.2081756631.

The spelling of 7438648 in words is "seven million, four hundred thirty-eight thousand, six hundred forty-eight".