8990649224 has 8 divisors (see below), whose sum is σ = 16857467310. Its totient is φ = 4495324608.

The previous prime is 8990649221. The next prime is 8990649293. The reversal of 8990649224 is 4229460998.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6645184324 + 2345464900 = 81518^2 + 48430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8990649221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561915569 + ... + 561915584.

Almost surely, 2^8990649224 is an apocalyptic number.

It is an amenable number.

8990649224 is a deficient number, since it is larger than the sum of its proper divisors (7866818086).

8990649224 is a wasteful number, since it uses less digits than its factorization.

8990649224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123831159 (or 1123831155 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 8990649224 is about 94819.0340807161. The cubic root of 8990649224 is about 2079.3631883133.

The spelling of 8990649224 in words is "eight billion, nine hundred ninety million, six hundred forty-nine thousand, two hundred twenty-four".