9952381 has 8 divisors (see below), whose sum is σ = 10350144. Its totient is φ = 9562080.

The previous prime is 9952367. The next prime is 9952403. The reversal of 9952381 is 1832599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9952381 - 2⁷ = 9952253 is a prime.

It is a super-2 number, since 2×9952381² = 198099775138322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9952381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9952351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936 + ... + 4558.

It is an arithmetic number, because the mean of its divisors is an integer number (1293768).

Almost surely, 2^9952381 is an apocalyptic number.

It is an amenable number.

9952381 is a deficient number, since it is larger than the sum of its proper divisors (397763).

9952381 is a wasteful number, since it uses less digits than its factorization.

9952381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its digits is 19440, while the sum is 37.

The square root of 9952381 is about 3154.7394504142. The cubic root of 9952381 is about 215.1009513298.

The spelling of 9952381 in words is "nine million, nine hundred fifty-two thousand, three hundred eighty-one".