3648348 has 96 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 1062720.

The previous prime is 3648343. The next prime is 3648391. The reversal of 3648348 is 8438463.

3648348 is a `hidden beast` number, since 3 + 648 + 3 + 4 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (55296) is a multiple of the sum of its prime factors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43915 + ... + 43997.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

Almost surely, 2^3648348 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 3648348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362560).

3648348 is an abundant number, since it is smaller than the sum of its proper divisors (7076772).

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

3648348 is a wasteful number, since it uses less digits than its factorization.

3648348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 136 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 3648348 is about 1910.0649203627. The cubic root of 3648348 is about 153.9449401188.

It can be divided in two parts, 36 and 48348, that added together give a palindrome (48384).

The spelling of 3648348 in words is "three million, six hundred forty-eight thousand, three hundred forty-eight".