2172608 has 28 divisors (see below), whose sum is σ = 4373880. Its totient is φ = 1070592.

The previous prime is 2172587. The next prime is 2172613. The reversal of 2172608 is 8062712.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108 + ... + 5516.

It is an arithmetic number, because the mean of its divisors is an integer number (156210).

2^2172608 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 2172608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2186940).

2172608 is an abundant number, since it is smaller than the sum of its proper divisors (2201272).

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

2172608 is an equidigital number, since it uses as much as digits as its factorization.

2172608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2172608 is about 1473.9769333338. The cubic root of 2172608 is about 129.5171039259.

The spelling of 2172608 in words is "two million, one hundred seventy-two thousand, six hundred eight".