3253668 has 36 divisors (see below), whose sum is σ = 8335152. Its totient is φ = 979680.

The previous prime is 3253631. The next prime is 3253697. The reversal of 3253668 is 8663523.

It is a super-3 number, since 3×3253668³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20646 + ... + 20802.

It is an arithmetic number, because the mean of its divisors is an integer number (231532).

Almost surely, 2^3253668 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 3253668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4167576).

3253668 is an abundant number, since it is smaller than the sum of its proper divisors (5081484).

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

3253668 is a wasteful number, since it uses less digits than its factorization.

3253668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 173 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 3253668 is about 1803.7926710129. The cubic root of 3253668 is about 148.1805077800.

Multiplying 3253668 by its sum of digits (33), we get a square (107371044 = 10362²).

3253668 divided by its sum of digits (33) gives a square (98596 = 314²).

It can be divided in two parts, 325 and 3668, that added together give a palindrome (3993).

The spelling of 3253668 in words is "three million, two hundred fifty-three thousand, six hundred sixty-eight".