2016456 has 64 divisors (see below), whose sum is σ = 5685120. Its totient is φ = 591360.

The previous prime is 2016449. The next prime is 2016461. The reversal of 2016456 is 6546102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7036 + ... + 7316.

It is an arithmetic number, because the mean of its divisors is an integer number (88830).

2^2016456 is an apocalyptic number.

2016456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2016456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2842560).

2016456 is an abundant number, since it is smaller than the sum of its proper divisors (3668664).

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

2016456 is a wasteful number, since it uses less digits than its factorization.

2016456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2016456 is about 1420.0197181730. The cubic root of 2016456 is about 126.3367159043.

The spelling of 2016456 in words is "two million, sixteen thousand, four hundred fifty-six".