8997764 has 6 divisors (see below), whose sum is σ = 15746094. Its totient is φ = 4498880.

The previous prime is 8997733. The next prime is 8997767. The reversal of 8997764 is 4677998.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5721664 + 3276100 = 2392^2 + 1810^2 .

It is not an unprimeable number, because it can be changed into a prime (8997767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124717 + ... + 1124724.

It is an arithmetic number, because the mean of its divisors is an integer number (2624349).

Almost surely, 2^8997764 is an apocalyptic number.

It is an amenable number.

8997764 is a deficient number, since it is larger than the sum of its proper divisors (6748330).

8997764 is a wasteful number, since it uses less digits than its factorization.

8997764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249445 (or 2249443 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 8997764 is about 2999.6273101837. The cubic root of 8997764 is about 207.9911547028.

The spelling of 8997764 in words is "eight million, nine hundred ninety-seven thousand, seven hundred sixty-four".