1356448 has 48 divisors (see below), whose sum is σ = 2963520. Its totient is φ = 608256.

The previous prime is 1356431. The next prime is 1356451. The reversal of 1356448 is 8446531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13936 + ... + 14032.

It is an arithmetic number, because the mean of its divisors is an integer number (61740).

2^1356448 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 1356448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481760).

1356448 is an abundant number, since it is smaller than the sum of its proper divisors (1607072).

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

1356448 is a wasteful number, since it uses less digits than its factorization.

1356448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 141 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 1356448 is about 1164.6664758634. Note that the first 3 decimals coincide. The cubic root of 1356448 is about 110.6966258141.

The spelling of 1356448 in words is "one million, three hundred fifty-six thousand, four hundred forty-eight".