2148210 has 24 divisors (see below), whose sum is σ = 5585580. Its totient is φ = 572832.

The previous prime is 2148203. The next prime is 2148227. The reversal of 2148210 is 128412.

It can be written as a sum of positive squares in 2 ways, for example, as 2134521 + 13689 = 1461^2 + 117^2 .

It is a super-2 number, since 2×2148210² = 9229612408200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11845 + ... + 12024.

2^2148210 is an apocalyptic number.

2148210 is an abundant number, since it is smaller than the sum of its proper divisors (3437370).

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

2148210 is a wasteful number, since it uses less digits than its factorization.

2148210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23882 (or 23879 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2148210 is about 1465.6773178295. The cubic root of 2148210 is about 129.0304597263.

The spelling of 2148210 in words is "two million, one hundred forty-eight thousand, two hundred ten".