2447456 has 48 divisors (see below), whose sum is σ = 5579280. Its totient is φ = 1044480.

The previous prime is 2447437. The next prime is 2447479. The reversal of 2447456 is 6547442.

2447456 = T₃₇₅ + T₃₇₆ + ... + T₄₀₆.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent 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, 5780 + ... + 6188.

It is an arithmetic number, because the mean of its divisors is an integer number (116235).

2^2447456 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 2447456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789640).

2447456 is an abundant number, since it is smaller than the sum of its proper divisors (3131824).

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

2447456 is a wasteful number, since it uses less digits than its factorization.

2447456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 439 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 2447456 is about 1564.4347221920. The cubic root of 2447456 is about 134.7632980704.

The spelling of 2447456 in words is "two million, four hundred forty-seven thousand, four hundred fifty-six".