8241405 has 16 divisors (see below), whose sum is σ = 13403904. Its totient is φ = 4322880.

The previous prime is 8241397. The next prime is 8241407. The reversal of 8241405 is 5041428.

It is not a de Polignac number, because 8241405 - 2³ = 8241397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8241407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (837744).

Almost surely, 2^8241405 is an apocalyptic number.

It is an amenable number.

8241405 is a deficient number, since it is larger than the sum of its proper divisors (5162499).

8241405 is a wasteful number, since it uses less digits than its factorization.

8241405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 8241405 is about 2870.7847359215. The cubic root of 8241405 is about 201.9918060265.

It can be divided in two parts, 8241 and 405, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 8241405 in words is "eight million, two hundred forty-one thousand, four hundred five".