9331405 has 4 divisors (see below), whose sum is σ = 11197692. Its totient is φ = 7465120.

The previous prime is 9331397. The next prime is 9331409. The reversal of 9331405 is 5041339.

9331405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5041339 = 1571 ⋅3209.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 5774409 = 1886^2 + 2403^2 .

It is not a de Polignac number, because 9331405 - 2³ = 9331397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9331405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9331409) 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, 933136 + ... + 933145.

It is an arithmetic number, because the mean of its divisors is an integer number (2799423).

Almost surely, 2^9331405 is an apocalyptic number.

It is an amenable number.

9331405 is a deficient number, since it is larger than the sum of its proper divisors (1866287).

9331405 is a wasteful number, since it uses less digits than its factorization.

9331405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866286.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 9331405 is about 3054.7348493773. The cubic root of 9331405 is about 210.5308188675.

Adding to 9331405 its product of nonzero digits (1620), we get a square (9333025 = 3055²).

The spelling of 9331405 in words is "nine million, three hundred thirty-one thousand, four hundred five".