2168748 has 48 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 704592.

The previous prime is 2168743. The next prime is 2168753. The reversal of 2168748 is 8478612.

It is an interprime number because it is at equal distance from previous prime (2168743) and next prime (2168753).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2168743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4411 + ... + 4877.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2^2168748 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 2168748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2882880).

2168748 is an abundant number, since it is smaller than the sum of its proper divisors (3597012).

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

2168748 is a wasteful number, since it uses less digits than its factorization.

2168748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 515 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 2168748 is about 1472.6669684623. Note that the first 3 decimals coincide. The cubic root of 2168748 is about 129.4403555530.

It can be divided in two parts, 2168 and 748, that added together give a square (2916 = 54²).

The spelling of 2168748 in words is "two million, one hundred sixty-eight thousand, seven hundred forty-eight".