8991952 has 10 divisors (see below), whose sum is σ = 17421938. Its totient is φ = 4495968.

The previous prime is 8991901. The next prime is 8991967. The reversal of 8991952 is 2591998.

It can be written as a sum of positive squares in only one way, i.e., 8737936 + 254016 = 2956^2 + 504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8991899 and 8991908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280983 + ... + 281014.

Almost surely, 2^8991952 is an apocalyptic number.

It is an amenable number.

8991952 is a deficient number, since it is larger than the sum of its proper divisors (8429986).

8991952 is a wasteful number, since it uses less digits than its factorization.

8991952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562005 (or 561999 counting only the distinct ones).

The product of its digits is 58320, while the sum is 43.

The square root of 8991952 is about 2998.6583666700. The cubic root of 8991952 is about 207.9463619089.

The spelling of 8991952 in words is "eight million, nine hundred ninety-one thousand, nine hundred fifty-two".