9952989 has 4 divisors (see below), whose sum is σ = 13270656. Its totient is φ = 6635324.

The previous prime is 9952981. The next prime is 9952991. The reversal of 9952989 is 9892599.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9952989 - 2³ = 9952981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9952981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658829 + ... + 1658834.

It is an arithmetic number, because the mean of its divisors is an integer number (3317664).

Almost surely, 2^9952989 is an apocalyptic number.

It is an amenable number.

9952989 is a deficient number, since it is larger than the sum of its proper divisors (3317667).

9952989 is a wasteful number, since it uses less digits than its factorization.

9952989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317666.

The product of its digits is 524880, while the sum is 51.

The square root of 9952989 is about 3154.8358118926. The cubic root of 9952989 is about 215.1053314782.

The spelling of 9952989 in words is "nine million, nine hundred fifty-two thousand, nine hundred eighty-nine".