10396381 has 4 divisors (see below), whose sum is σ = 10403164. Its totient is φ = 10389600.

The previous prime is 10396369. The next prime is 10396387. The reversal of 10396381 is 18369301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5405625 + 4990756 = 2325^2 + 2234^2 .

It is a cyclic number.

It is not a de Polignac number, because 10396381 - 2¹¹ = 10394333 is a prime.

It is a super-2 number, since 2×10396381² = 216169475794322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10396387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121 + ... + 4561.

It is an arithmetic number, because the mean of its divisors is an integer number (2600791).

Almost surely, 2^10396381 is an apocalyptic number.

It is an amenable number.

10396381 is a deficient number, since it is larger than the sum of its proper divisors (6783).

10396381 is an equidigital number, since it uses as much as digits as its factorization.

10396381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 10396381 is about 3224.3419483671. The cubic root of 10396381 is about 218.2532547592.

The spelling of 10396381 in words is "ten million, three hundred ninety-six thousand, three hundred eighty-one".