3619648 has 28 divisors (see below), whose sum is σ = 7498080. Its totient is φ = 1730432.

The previous prime is 3619643. The next prime is 3619663. The reversal of 3619648 is 8469163.

3619648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3619643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243 + ... + 2701.

Almost surely, 2^3619648 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 3619648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749040).

3619648 is an abundant number, since it is smaller than the sum of its proper divisors (3878432).

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

3619648 is a wasteful number, since it uses less digits than its factorization.

3619648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2484 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 3619648 is about 1902.5372532489. The cubic root of 3619648 is about 153.5402038657.

The spelling of 3619648 in words is "three million, six hundred nineteen thousand, six hundred forty-eight".