2148885 has 36 divisors (see below), whose sum is σ = 4019652. Its totient is φ = 1058304.

The previous prime is 2148877. The next prime is 2148893. The reversal of 2148885 is 5888412.

It is an interprime number because it is at equal distance from previous prime (2148877) and next prime (2148893).

It can be written as a sum of positive squares in 6 ways, for example, as 194481 + 1954404 = 441^2 + 1398^2 .

It is not a de Polignac number, because 2148885 - 2³ = 2148877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40519 + ... + 40571.

It is an arithmetic number, because the mean of its divisors is an integer number (111657).

2^2148885 is an apocalyptic number.

It is an amenable number.

2148885 is a deficient number, since it is larger than the sum of its proper divisors (1870767).

2148885 is a wasteful number, since it uses less digits than its factorization.

2148885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 78 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 2148885 is about 1465.9075687096. The cubic root of 2148885 is about 129.0439727502.

The spelling of 2148885 in words is "two million, one hundred forty-eight thousand, eight hundred eighty-five".