3408940 has 12 divisors (see below), whose sum is σ = 7158816. Its totient is φ = 1363568.

The previous prime is 3408919. The next prime is 3408943. The reversal of 3408940 is 498043.

It is a junction number, because it is equal to n+sod(n) for n = 3408899 and 3408908.

It is not an unprimeable number, because it can be changed into a prime (3408943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85204 + ... + 85243.

It is an arithmetic number, because the mean of its divisors is an integer number (596568).

Almost surely, 2^3408940 is an apocalyptic number.

It is an amenable number.

3408940 is an abundant number, since it is smaller than the sum of its proper divisors (3749876).

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

3408940 is a wasteful number, since it uses less digits than its factorization.

3408940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170456 (or 170454 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3408940 is about 1846.3314978627. The cubic root of 3408940 is about 150.5011386837.

The spelling of 3408940 in words is "three million, four hundred eight thousand, nine hundred forty".