2148170 has 8 divisors (see below), whose sum is σ = 3866724. Its totient is φ = 859264.

The previous prime is 2148163. The next prime is 2148187. The reversal of 2148170 is 718412.

It can be written as a sum of positive squares in 2 ways, for example, as 1957201 + 190969 = 1399^2 + 437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2148170² = 9229268697800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107399 + ... + 107418.

2^2148170 is an apocalyptic number.

2148170 is a deficient number, since it is larger than the sum of its proper divisors (1718554).

2148170 is a wasteful number, since it uses less digits than its factorization.

2148170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214824.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 2148170 is about 1465.6636721977. The cubic root of 2148170 is about 129.0296588657.

The spelling of 2148170 in words is "two million, one hundred forty-eight thousand, one hundred seventy".