3405340 has 12 divisors (see below), whose sum is σ = 7151256. Its totient is φ = 1362128.

The previous prime is 3405301. The next prime is 3405359. The reversal of 3405340 is 435043.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85114 + ... + 85153.

It is an arithmetic number, because the mean of its divisors is an integer number (595938).

Almost surely, 2^3405340 is an apocalyptic number.

It is an amenable number.

3405340 is an abundant number, since it is smaller than the sum of its proper divisors (3745916).

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

3405340 is a wasteful number, since it uses less digits than its factorization.

3405340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170276 (or 170274 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3405340 is about 1845.3563341534. The cubic root of 3405340 is about 150.4481412774.

It can be divided in two parts, 3 and 405340, that multiplied together give a triangular number (1216020 = T₁₅₅₉).

The spelling of 3405340 in words is "three million, four hundred five thousand, three hundred forty".