8263780 has 48 divisors (see below), whose sum is σ = 20151936. Its totient is φ = 2787840.

The previous prime is 8263771. The next prime is 8263781. The reversal of 8263780 is 873628.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8263781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8940 + ... + 9820.

It is an arithmetic number, because the mean of its divisors is an integer number (419832).

Almost surely, 2^8263780 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 8263780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10075968).

8263780 is an abundant number, since it is smaller than the sum of its proper divisors (11888156).

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

8263780 is a wasteful number, since it uses less digits than its factorization.

8263780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8263780 is about 2874.6791125272. The cubic root of 8263780 is about 202.1744400428.

The spelling of 8263780 in words is "eight million, two hundred sixty-three thousand, seven hundred eighty".