7866336 has 48 divisors (see below), whose sum is σ = 20974464. Its totient is φ = 2580864.

The previous prime is 7866329. The next prime is 7866347. The reversal of 7866336 is 6336687.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 7866294 and 7866303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5821 + ... + 7043.

It is an arithmetic number, because the mean of its divisors is an integer number (436968).

Almost surely, 2^7866336 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 7866336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10487232).

7866336 is an abundant number, since it is smaller than the sum of its proper divisors (13108128).

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

7866336 is a wasteful number, since it uses less digits than its factorization.

7866336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1295 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 7866336 is about 2804.6989143222. The cubic root of 7866336 is about 198.8798716070.

The spelling of 7866336 in words is "seven million, eight hundred sixty-six thousand, three hundred thirty-six".