9406405 has 8 divisors (see below), whose sum is σ = 11313792. Its totient is φ = 7507728.

The previous prime is 9406393. The next prime is 9406417. The reversal of 9406405 is 5046049.

9406405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9406393) and next prime (9406417).

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

It is a cyclic number.

It is not a de Polignac number, because 9406405 - 2⁷ = 9406277 is a prime.

It is a Duffinian number.

9406405 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 504 + ... + 4366.

It is an arithmetic number, because the mean of its divisors is an integer number (1414224).

Almost surely, 2^9406405 is an apocalyptic number.

It is an amenable number.

9406405 is a deficient number, since it is larger than the sum of its proper divisors (1907387).

9406405 is a wasteful number, since it uses less digits than its factorization.

9406405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 9406405 is about 3066.9863058057. The cubic root of 9406405 is about 211.0933528204.

The spelling of 9406405 in words is "nine million, four hundred six thousand, four hundred five".