3453648 has 80 divisors (see below), whose sum is σ = 10094592. Its totient is φ = 1008000.

The previous prime is 3453647. The next prime is 3453673. The reversal of 3453648 is 8463543.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16263 + ... + 16473.

Almost surely, 2^3453648 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 3453648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5047296).

3453648 is an abundant number, since it is smaller than the sum of its proper divisors (6640944).

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

3453648 is a wasteful number, since it uses less digits than its factorization.

3453648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 258 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 3453648 is about 1858.3993112353. The cubic root of 3453648 is about 151.1562203531.

It can be divided in two parts, 345 and 3648, that added together give a palindrome (3993).

The spelling of 3453648 in words is "three million, four hundred fifty-three thousand, six hundred forty-eight".