7993860 has 72 divisors (see below), whose sum is σ = 26046720. Its totient is φ = 1826496.

The previous prime is 7993849. The next prime is 7993871. The reversal of 7993860 is 683997.

It is a happy number.

7993860 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7993849) and next prime (7993871).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581 + ... + 4299.

It is an arithmetic number, because the mean of its divisors is an integer number (361760).

Almost surely, 2^7993860 is an apocalyptic number.

7993860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7993860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13023360).

7993860 is an abundant number, since it is smaller than the sum of its proper divisors (18052860).

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

7993860 is a wasteful number, since it uses less digits than its factorization.

7993860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 7993860 is about 2827.3415074943. The cubic root of 7993860 is about 199.9488202376.

It can be divided in two parts, 79 and 93860, that added together give a palindrome (93939).

The spelling of 7993860 in words is "seven million, nine hundred ninety-three thousand, eight hundred sixty".