9381405 has 16 divisors (see below), whose sum is σ = 16375104. Its totient is φ = 4548480.

The previous prime is 9381403. The next prime is 9381419. The reversal of 9381405 is 5041839.

9381405 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 9381405 - 2¹ = 9381403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9381403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28264 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (1023444).

Almost surely, 2^9381405 is an apocalyptic number.

It is an amenable number.

9381405 is a deficient number, since it is larger than the sum of its proper divisors (6993699).

9381405 is a wasteful number, since it uses less digits than its factorization.

9381405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56876.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 9381405 is about 3062.9079320149. The cubic root of 9381405 is about 210.9061748270.

The spelling of 9381405 in words is "nine million, three hundred eighty-one thousand, four hundred five".