3409940 has 12 divisors (see below), whose sum is σ = 7160916. Its totient is φ = 1363968.

The previous prime is 3409937. The next prime is 3409981. The reversal of 3409940 is 499043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 2353156 = 1028^2 + 1534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85229 + ... + 85268.

It is an arithmetic number, because the mean of its divisors is an integer number (596743).

Almost surely, 2^3409940 is an apocalyptic number.

It is an amenable number.

3409940 is an abundant number, since it is smaller than the sum of its proper divisors (3750976).

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

3409940 is a wasteful number, since it uses less digits than its factorization.

3409940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170506 (or 170504 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3409940 is about 1846.6022852796. The cubic root of 3409940 is about 150.5158535633.

The spelling of 3409940 in words is "three million, four hundred nine thousand, nine hundred forty".