3405859 has 4 divisors (see below), whose sum is σ = 3409560. Its totient is φ = 3402160.

The previous prime is 3405841. The next prime is 3405881. The reversal of 3405859 is 9585043.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3405859 - 2⁵ = 3405827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405839) 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, 732 + ... + 2710.

It is an arithmetic number, because the mean of its divisors is an integer number (852390).

Almost surely, 2^3405859 is an apocalyptic number.

3405859 is a deficient number, since it is larger than the sum of its proper divisors (3701).

3405859 is a wasteful number, since it uses less digits than its factorization.

3405859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3405859 is about 1845.4969520430. The cubic root of 3405859 is about 150.4557840404.

The spelling of 3405859 in words is "three million, four hundred five thousand, eight hundred fifty-nine".