7798648 has 64 divisors (see below), whose sum is σ = 18234720. Its totient is φ = 3072000.

The previous prime is 7798627. The next prime is 7798649. The reversal of 7798648 is 8468977.

It is an Ulam number.

Its product of digits (677376) is a multiple of the sum of its prime factors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7798649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19248 + ... + 19648.

Almost surely, 2^7798648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7798648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9117360).

7798648 is an abundant number, since it is smaller than the sum of its proper divisors (10436072).

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

7798648 is a wasteful number, since it uses less digits than its factorization.

7798648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 444 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 7798648 is about 2792.6059514368. The cubic root of 7798648 is about 198.3077891605.

The spelling of 7798648 in words is "seven million, seven hundred ninety-eight thousand, six hundred forty-eight".