10840381 has 8 divisors (see below), whose sum is σ = 11065824. Its totient is φ = 10617360.

The previous prime is 10840369. The next prime is 10840387. The reversal of 10840381 is 18304801.

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

It is not a de Polignac number, because 10840381 - 2⁹ = 10839869 is a prime.

It is a super-2 number, since 2×10840381² = 235027720450322, 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 (10840387) 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, 10375 + ... + 11371.

It is an arithmetic number, because the mean of its divisors is an integer number (1383228).

Almost surely, 2^10840381 is an apocalyptic number.

It is an amenable number.

10840381 is a deficient number, since it is larger than the sum of its proper divisors (225443).

10840381 is an equidigital number, since it uses as much as digits as its factorization.

10840381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 10840381 is about 3292.4733863769. The cubic root of 10840381 is about 221.3170377896.

The spelling of 10840381 in words is "ten million, eight hundred forty thousand, three hundred eighty-one".