3621948 has 48 divisors (see below), whose sum is σ = 9628416. Its totient is φ = 1048960.

The previous prime is 3621941. The next prime is 3621973. The reversal of 3621948 is 8491263.

3621948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (3621941) 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 15 ways as a sum of consecutive naturals, for example, 2440 + ... + 3632.

It is an arithmetic number, because the mean of its divisors is an integer number (200592).

Almost surely, 2^3621948 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 3621948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4814208).

3621948 is an abundant number, since it is smaller than the sum of its proper divisors (6006468).

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

3621948 is a wasteful number, since it uses less digits than its factorization.

3621948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1232 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 3621948 is about 1903.1416132280. The cubic root of 3621948 is about 153.5727178650.

The spelling of 3621948 in words is "three million, six hundred twenty-one thousand, nine hundred forty-eight".