3427856 has 20 divisors (see below), whose sum is σ = 6856704. Its totient is φ = 1658400.

The previous prime is 3427849. The next prime is 3427859. The reversal of 3427856 is 6587243.

It is a happy number.

3427856 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3427859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960 + ... + 3951.

Almost surely, 2^3427856 is an apocalyptic number.

It is an amenable number.

3427856 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3427856 is a wasteful number, since it uses less digits than its factorization.

3427856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950 (or 6944 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 3427856 is about 1851.4470016719. The cubic root of 3427856 is about 150.7789992496.

The spelling of 3427856 in words is "three million, four hundred twenty-seven thousand, eight hundred fifty-six".