7789488 has 80 divisors (see below), whose sum is σ = 23331840. Its totient is φ = 2193408.

The previous prime is 7789469. The next prime is 7789489. The reversal of 7789488 is 8849877.

It is a super-2 number, since 2×7789488² = 121352246604288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7789488.

It is not an unprimeable number, because it can be changed into a prime (7789489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32473 + ... + 32711.

It is an arithmetic number, because the mean of its divisors is an integer number (291648).

Almost surely, 2^7789488 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 7789488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11665920).

7789488 is an abundant number, since it is smaller than the sum of its proper divisors (15542352).

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

7789488 is a wasteful number, since it uses less digits than its factorization.

7789488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 348 counting only the distinct ones).

The product of its digits is 903168, while the sum is 51.

The square root of 7789488 is about 2790.9654243648. The cubic root of 7789488 is about 198.2301171072.

The spelling of 7789488 in words is "seven million, seven hundred eighty-nine thousand, four hundred eighty-eight".