9690381 has 8 divisors (see below), whose sum is σ = 14356160. Its totient is φ = 6460236.

The previous prime is 9690371. The next prime is 9690407. The reversal of 9690381 is 1830969.

It is not a de Polignac number, because 9690381 - 2⁵ = 9690349 is a prime.

It is a super-2 number, since 2×9690381² = 187806967850322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9690341) 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, 179425 + ... + 179478.

It is an arithmetic number, because the mean of its divisors is an integer number (1794520).

Almost surely, 2^9690381 is an apocalyptic number.

It is an amenable number.

9690381 is a deficient number, since it is larger than the sum of its proper divisors (4665779).

9690381 is a wasteful number, since it uses less digits than its factorization.

9690381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358912 (or 358906 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9690381 is about 3112.9376800701. The cubic root of 9690381 is about 213.1966048245.

The spelling of 9690381 in words is "nine million, six hundred ninety thousand, three hundred eighty-one".