2168460 has 72 divisors (see below), whose sum is σ = 7521696. Its totient is φ = 495360.

The previous prime is 2168437. The next prime is 2168473. The reversal of 2168460 is 648612.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (104468).

2^2168460 is an apocalyptic number.

2168460 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 2168460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3760848).

2168460 is an abundant number, since it is smaller than the sum of its proper divisors (5353236).

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

2168460 is a wasteful number, since it uses less digits than its factorization.

2168460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1738 counting only the distinct ones).

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

The square root of 2168460 is about 1472.5691834342. The cubic root of 2168460 is about 129.4346256000.

It can be divided in two parts, 2168 and 460, that added together give a triangular number (2628 = T₇₂).

The spelling of 2168460 in words is "two million, one hundred sixty-eight thousand, four hundred sixty".