2148858 has 24 divisors (see below), whose sum is σ = 4807296. Its totient is φ = 693000.

The previous prime is 2148857. The next prime is 2148863. The reversal of 2148858 is 8588412.

2148858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2148857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1368 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (200304).

2^2148858 is an apocalyptic number.

2148858 is an abundant number, since it is smaller than the sum of its proper divisors (2658438).

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

2148858 is a wasteful number, since it uses less digits than its factorization.

2148858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890 (or 3887 counting only the distinct ones).

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

The square root of 2148858 is about 1465.8983593688. The cubic root of 2148858 is about 129.0434322836.

The spelling of 2148858 in words is "two million, one hundred forty-eight thousand, eight hundred fifty-eight".