8348405 has 8 divisors (see below), whose sum is σ = 10788792. Its totient is φ = 6164928.

The previous prime is 8348387. The next prime is 8348413. The reversal of 8348405 is 5048438.

8348405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 271441 + 8076964 = 521^2 + 2842^2 .

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 8348405 - 2⁶ = 8348341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64154 + ... + 64283.

It is an arithmetic number, because the mean of its divisors is an integer number (1348599).

Almost surely, 2^8348405 is an apocalyptic number.

It is an amenable number.

8348405 is a deficient number, since it is larger than the sum of its proper divisors (2440387).

8348405 is a wasteful number, since it uses less digits than its factorization.

8348405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128455.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 8348405 is about 2889.3606559237. The cubic root of 8348405 is about 202.8622181356.

The spelling of 8348405 in words is "eight million, three hundred forty-eight thousand, four hundred five".