3355648 has 44 divisors (see below), whose sum is σ = 7000740. Its totient is φ = 1605632.

The previous prime is 3355643. The next prime is 3355661. The reversal of 3355648 is 8465533.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 2663424 = 832^2 + 1632^2 .

It is a super-2 number, since 2×3355648² = 22520746999808, which contains 22 as substring.

Its product of digits (43200) is a multiple of the sum of its prime divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3355643) 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, 29640 + ... + 29752.

Almost surely, 2^3355648 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 3355648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3500370).

3355648 is an abundant number, since it is smaller than the sum of its proper divisors (3645092).

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

3355648 is a wasteful number, since it uses less digits than its factorization.

3355648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 144 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 3355648 is about 1831.8427880143. The cubic root of 3355648 is about 149.7127539863.

The spelling of 3355648 in words is "three million, three hundred fifty-five thousand, six hundred forty-eight".