7698816 has 96 divisors (see below), whose sum is σ = 22833720. Its totient is φ = 2488320.

The previous prime is 7698797. The next prime is 7698829. The reversal of 7698816 is 6188967.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

Its product of digits (145152) is a multiple of the sum of its prime factors (224).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47151 + ... + 47313.

Almost surely, 2^7698816 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 7698816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11416860).

7698816 is an abundant number, since it is smaller than the sum of its proper divisors (15134904).

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

7698816 is a wasteful number, since it uses less digits than its factorization.

7698816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 209 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7698816 is about 2774.6740349093. The cubic root of 7698816 is about 197.4579603947.

The spelling of 7698816 in words is "seven million, six hundred ninety-eight thousand, eight hundred sixteen".