2146680 has 96 divisors (see below), whose sum is σ = 7160400. Its totient is φ = 557568.

The previous prime is 2146673. The next prime is 2146687. The reversal of 2146680 is 866412.

It is an interprime number because it is at equal distance from previous prime (2146673) and next prime (2146687).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24076 + ... + 24164.

2^2146680 is an apocalyptic number.

2146680 is a gapful number since it is divisible by the number (20) 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 2146680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3580200).

2146680 is an abundant number, since it is smaller than the sum of its proper divisors (5013720).

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

2146680 is a wasteful number, since it uses less digits than its factorization.

2146680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2146680 is about 1465.1552818729. The cubic root of 2146680 is about 128.9998197221. Note that the first 3 decimals are identical.

The spelling of 2146680 in words is "two million, one hundred forty-six thousand, six hundred eighty".