7921088 has 28 divisors (see below), whose sum is σ = 17964912. Its totient is φ = 3394560.

The previous prime is 7921087. The next prime is 7921129. The reversal of 7921088 is 8801297.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7921087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8393 + ... + 9288.

It is an arithmetic number, because the mean of its divisors is an integer number (641604).

Almost surely, 2^7921088 is an apocalyptic number.

It is an amenable number.

7921088 is an abundant number, since it is smaller than the sum of its proper divisors (10043824).

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

7921088 is a wasteful number, since it uses less digits than its factorization.

7921088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17700 (or 17690 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 7921088 is about 2814.4427512387. The cubic root of 7921088 is about 199.3402258839.

The spelling of 7921088 in words is "seven million, nine hundred twenty-one thousand, eighty-eight".