9396405 has 20 divisors (see below), whose sum is σ = 16844652. Its totient is φ = 5011200.

The previous prime is 9396391. The next prime is 9396407. The reversal of 9396405 is 5046939.

9396405 is a `hidden beast` number, since 9 + 3 + 9 + 640 + 5 = 666.

9396405 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 can be written as a sum of positive squares in 2 ways, for example, as 6441444 + 2954961 = 2538^2 + 1719^2 .

It is not a de Polignac number, because 9396405 - 2¹⁰ = 9395381 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9396405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9396407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11196 + ... + 12005.

Almost surely, 2^9396405 is an apocalyptic number.

It is an amenable number.

9396405 is a deficient number, since it is larger than the sum of its proper divisors (7448247).

9396405 is a wasteful number, since it uses less digits than its factorization.

9396405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218 (or 23209 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 9396405 is about 3065.3556074296. The cubic root of 9396405 is about 211.0185214681.

It can be divided in two parts, 9396 and 405, that added together give a square (9801 = 99²).

The spelling of 9396405 in words is "nine million, three hundred ninety-six thousand, four hundred five".