10404381 has 24 divisors (see below), whose sum is σ = 15788640. Its totient is φ = 6057504.

The previous prime is 10404371. The next prime is 10404403. The reversal of 10404381 is 18340401.

10404381 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10404381 - 2⁷ = 10404253 is a prime.

It is a super-2 number, since 2×10404381² = 216502287986322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13710 + ... + 14448.

It is an arithmetic number, because the mean of its divisors is an integer number (657860).

Almost surely, 2^10404381 is an apocalyptic number.

It is an amenable number.

10404381 is a deficient number, since it is larger than the sum of its proper divisors (5384259).

10404381 is a wasteful number, since it uses less digits than its factorization.

10404381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 10404381 is about 3225.5822730168. The cubic root of 10404381 is about 218.3092222596.

Adding to 10404381 its reverse (18340401), we get a palindrome (28744782).

The spelling of 10404381 in words is "ten million, four hundred four thousand, three hundred eighty-one".