3409656 has 64 divisors (see below), whose sum is σ = 9240480. Its totient is φ = 1044480.

The previous prime is 3409643. The next prime is 3409663. The reversal of 3409656 is 6569043.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24820 + ... + 24956.

Almost surely, 2^3409656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3409656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4620240).

3409656 is an abundant number, since it is smaller than the sum of its proper divisors (5830824).

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

3409656 is a wasteful number, since it uses less digits than its factorization.

3409656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 3409656 is about 1846.5253856906. The cubic root of 3409656 is about 150.5116748301.

The spelling of 3409656 in words is "three million, four hundred nine thousand, six hundred fifty-six".