8411405 has 4 divisors (see below), whose sum is σ = 10093692. Its totient is φ = 6729120.

The previous prime is 8411393. The next prime is 8411407. The reversal of 8411405 is 5041148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1261129 + 7150276 = 1123^2 + 2674^2 .

It is not a de Polignac number, because 8411405 - 2⁶ = 8411341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8411407) 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, 841136 + ... + 841145.

It is an arithmetic number, because the mean of its divisors is an integer number (2523423).

Almost surely, 2^8411405 is an apocalyptic number.

It is an amenable number.

8411405 is a deficient number, since it is larger than the sum of its proper divisors (1682287).

8411405 is a wasteful number, since it uses less digits than its factorization.

8411405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682286.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 8411405 is about 2900.2422312628. The cubic root of 8411405 is about 203.3712297606.

The spelling of 8411405 in words is "eight million, four hundred eleven thousand, four hundred five".