9910381 has 8 divisors (see below), whose sum is σ = 11234720. Its totient is φ = 8666352.

The previous prime is 9910367. The next prime is 9910387. The reversal of 9910381 is 1830199.

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 9910381 - 2⁹ = 9909869 is a prime.

It is a super-2 number, since 2×9910381² = 196431303130322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9910387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19815 + ... + 20308.

It is an arithmetic number, because the mean of its divisors is an integer number (1404340).

Almost surely, 2^9910381 is an apocalyptic number.

It is an amenable number.

9910381 is a deficient number, since it is larger than the sum of its proper divisors (1324339).

9910381 is a wasteful number, since it uses less digits than its factorization.

9910381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40155.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 9910381 is about 3148.0757614772. The cubic root of 9910381 is about 214.7979424891.

The spelling of 9910381 in words is "nine million, nine hundred ten thousand, three hundred eighty-one".