2127456 has 72 divisors (see below), whose sum is σ = 6191640. Its totient is φ = 692736.

The previous prime is 2127443. The next prime is 2127467. The reversal of 2127456 is 6547212.

It is a tau number, because it is divible by the number of its divisors (72).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23860 + ... + 23948.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

2^2127456 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 2127456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3095820).

2127456 is an abundant number, since it is smaller than the sum of its proper divisors (4064184).

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

2127456 is a wasteful number, since it uses less digits than its factorization.

2127456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 177 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2127456 is about 1458.5801314978. The cubic root of 2127456 is about 128.6135904054.

The spelling of 2127456 in words is "two million, one hundred twenty-seven thousand, four hundred fifty-six".