3551968 has 48 divisors (see below), whose sum is σ = 8122464. Its totient is φ = 1497600.

The previous prime is 3551957. The next prime is 3551981. The reversal of 3551968 is 8691553.

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, 22546 + ... + 22702.

It is an arithmetic number, because the mean of its divisors is an integer number (169218).

Almost surely, 2^3551968 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 3551968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4061232).

3551968 is an abundant number, since it is smaller than the sum of its proper divisors (4570496).

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

3551968 is a wasteful number, since it uses less digits than its factorization.

3551968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 267 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 3551968 is about 1884.6665487560. Note that the first 3 decimals coincide. The cubic root of 3551968 is about 152.5772143245.

It can be divided in two parts, 35 and 51968, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 3551968 in words is "three million, five hundred fifty-one thousand, nine hundred sixty-eight".