9901952 has 16 divisors (see below), whose sum is σ = 19726800. Its totient is φ = 4950912.

The previous prime is 9901901. The next prime is 9901981. The reversal of 9901952 is 2591099.

It is a tau number, because it is divible by the number of its divisors (16).

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, 38552 + ... + 38807.

It is an arithmetic number, because the mean of its divisors is an integer number (1232925).

Almost surely, 2^9901952 is an apocalyptic number.

It is an amenable number.

9901952 is a deficient number, since it is larger than the sum of its proper divisors (9824848).

9901952 is an equidigital number, since it uses as much as digits as its factorization.

9901952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77373 (or 77361 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 9901952 is about 3146.7367223840. The cubic root of 9901952 is about 214.7370284032.

The spelling of 9901952 in words is "nine million, nine hundred one thousand, nine hundred fifty-two".