7863716 has 36 divisors (see below), whose sum is σ = 16331868. Its totient is φ = 3302208.

The previous prime is 7863689. The next prime is 7863719. The reversal of 7863716 is 6173687.

It can be written as a sum of positive squares in 2 ways, for example, as 5271616 + 2592100 = 2296^2 + 1610^2 .

It is a d-powerful number, because it can be written as 7 + 8⁷ + 6³ + 3⁵ + 7⁸ + 1 + 6⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 7863716.

It is not an unprimeable number, because it can be changed into a prime (7863719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10010 + ... + 10766.

It is an arithmetic number, because the mean of its divisors is an integer number (453663).

Almost surely, 2^7863716 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 7863716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8165934).

7863716 is an abundant number, since it is smaller than the sum of its proper divisors (8468152).

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

7863716 is a wasteful number, since it uses less digits than its factorization.

7863716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 819 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 7863716 is about 2804.2318021162. The cubic root of 7863716 is about 198.8577891905.

The spelling of 7863716 in words is "seven million, eight hundred sixty-three thousand, seven hundred sixteen".