3215448 has 96 divisors (see below), whose sum is σ = 9603360. Its totient is φ = 967680.

The previous prime is 3215447. The next prime is 3215467. The reversal of 3215448 is 8445123.

3215448 is a `hidden beast` number, since 3 + 215 + 448 = 666.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45253 + ... + 45323.

It is an arithmetic number, because the mean of its divisors is an integer number (100035).

Almost surely, 2^3215448 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 3215448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4801680).

3215448 is an abundant number, since it is smaller than the sum of its proper divisors (6387912).

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

3215448 is a wasteful number, since it uses less digits than its factorization.

3215448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 130 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 3215448 is about 1793.1670307029. The cubic root of 3215448 is about 147.5980082134.

It can be divided in two parts, 3215 and 448, that added together give a palindrome (3663).

The spelling of 3215448 in words is "three million, two hundred fifteen thousand, four hundred forty-eight".