3405858 has 24 divisors (see below), whose sum is σ = 6996528. Its totient is φ = 1105272.

The previous prime is 3405841. The next prime is 3405881. The reversal of 3405858 is 8585043.

It is a happy number.

3405858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10941 + ... + 11247.

It is an arithmetic number, because the mean of its divisors is an integer number (291522).

Almost surely, 2^3405858 is an apocalyptic number.

3405858 is an abundant number, since it is smaller than the sum of its proper divisors (3590670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3405858 is a wasteful number, since it uses less digits than its factorization.

3405858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 3405858 is about 1845.4966811132. The cubic root of 3405858 is about 150.4557693152.

The spelling of 3405858 in words is "three million, four hundred five thousand, eight hundred fifty-eight".