2416405 has 4 divisors (see below), whose sum is σ = 2899692. Its totient is φ = 1933120.

The previous prime is 2416399. The next prime is 2416409. The reversal of 2416405 is 5046142.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5046142 = 2 ⋅2523071.

It can be written as a sum of positive squares in 2 ways, for example, as 1887876 + 528529 = 1374^2 + 727^2 .

It is not a de Polignac number, because 2416405 - 2⁹ = 2415893 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 (2416409) 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, 241636 + ... + 241645.

It is an arithmetic number, because the mean of its divisors is an integer number (724923).

2^2416405 is an apocalyptic number.

It is an amenable number.

2416405 is a deficient number, since it is larger than the sum of its proper divisors (483287).

2416405 is an equidigital number, since it uses as much as digits as its factorization.

2416405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483286.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2416405 is about 1554.4790124025. The cubic root of 2416405 is about 134.1909544566.

The spelling of 2416405 in words is "two million, four hundred sixteen thousand, four hundred five".