3523856 has 40 divisors (see below), whose sum is σ = 7928064. Its totient is φ = 1486080.

The previous prime is 3523841. The next prime is 3523901. The reversal of 3523856 is 6583253.

It is a super-2 number, since 2×3523856² = 24835122217472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7961 + ... + 8391.

Almost surely, 2^3523856 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 3523856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3964032).

3523856 is an abundant number, since it is smaller than the sum of its proper divisors (4404208).

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

3523856 is a wasteful number, since it uses less digits than its factorization.

3523856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 513 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 3523856 is about 1877.1936501065. The cubic root of 3523856 is about 152.1736243142.

The spelling of 3523856 in words is "three million, five hundred twenty-three thousand, eight hundred fifty-six".