2405879 has 8 divisors (see below), whose sum is σ = 2838528. Its totient is φ = 1995480.

The previous prime is 2405873. The next prime is 2405881. The reversal of 2405879 is 9785042.

It is a happy number.

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 2405879 - 2⁴ = 2405863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5327 + ... + 5760.

It is an arithmetic number, because the mean of its divisors is an integer number (354816).

2^2405879 is an apocalyptic number.

2405879 is a deficient number, since it is larger than the sum of its proper divisors (432649).

2405879 is a wasteful number, since it uses less digits than its factorization.

2405879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2405879 is about 1551.0896170112. The cubic root of 2405879 is about 133.9958229930.

The spelling of 2405879 in words is "two million, four hundred five thousand, eight hundred seventy-nine".