8397764 has 6 divisors (see below), whose sum is σ = 14696094. Its totient is φ = 4198880.

The previous prime is 8397761. The next prime is 8397793. The reversal of 8397764 is 4677938.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 1844164 = 2560^2 + 1358^2 .

It is a d-powerful number, because it can be written as 8⁷ + 3¹² + 9 + 7² + 7⁸ + 6³ + 4⁶ .

It is not an unprimeable number, because it can be changed into a prime (8397761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049717 + ... + 1049724.

It is an arithmetic number, because the mean of its divisors is an integer number (2449349).

Almost surely, 2^8397764 is an apocalyptic number.

It is an amenable number.

8397764 is a deficient number, since it is larger than the sum of its proper divisors (6298330).

8397764 is a wasteful number, since it uses less digits than its factorization.

8397764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099445 (or 2099443 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 8397764 is about 2897.8895769163. The cubic root of 8397764 is about 203.2612327603.

The spelling of 8397764 in words is "eight million, three hundred ninety-seven thousand, seven hundred sixty-four".