3281608 has 32 divisors (see below), whose sum is σ = 6804000. Its totient is φ = 1471360.

The previous prime is 3281573. The next prime is 3281627. The reversal of 3281608 is 8061823.

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, 7623 + ... + 8041.

It is an arithmetic number, because the mean of its divisors is an integer number (212625).

Almost surely, 2^3281608 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 3281608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3402000).

3281608 is an abundant number, since it is smaller than the sum of its proper divisors (3522392).

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

3281608 is a wasteful number, since it uses less digits than its factorization.

3281608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3281608 is about 1811.5209079666. The cubic root of 3281608 is about 148.6034528741.

It can be divided in two parts, 328 and 1608, that added together give a square (1936 = 44²).

The spelling of 3281608 in words is "three million, two hundred eighty-one thousand, six hundred eight".