2146456 has 16 divisors (see below), whose sum is σ = 4334400. Its totient is φ = 990624.

The previous prime is 2146439. The next prime is 2146457. The reversal of 2146456 is 6546412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10216 + ... + 10423.

It is an arithmetic number, because the mean of its divisors is an integer number (270900).

2^2146456 is an apocalyptic number.

2146456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2146456 is an abundant number, since it is smaller than the sum of its proper divisors (2187944).

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

2146456 is a wasteful number, since it uses less digits than its factorization.

2146456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20658 (or 20654 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2146456 is about 1465.0788374692. The cubic root of 2146456 is about 128.9953326437.

It can be divided in two parts, 214 and 6456, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 2146456 in words is "two million, one hundred forty-six thousand, four hundred fifty-six".