2148635 has 4 divisors (see below), whose sum is σ = 2578368. Its totient is φ = 1718904.

The previous prime is 2148631. The next prime is 2148649. The reversal of 2148635 is 5368412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2148635 - 2² = 2148631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2148598 and 2148607.

It is not an unprimeable number, because it can be changed into a prime (2148631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214859 + ... + 214868.

It is an arithmetic number, because the mean of its divisors is an integer number (644592).

2^2148635 is an apocalyptic number.

2148635 is a deficient number, since it is larger than the sum of its proper divisors (429733).

2148635 is an equidigital number, since it uses as much as digits as its factorization.

2148635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429732.

The product of its digits is 5760, while the sum is 29.

The square root of 2148635 is about 1465.8222948229. The cubic root of 2148635 is about 129.0389682565.

The spelling of 2148635 in words is "two million, one hundred forty-eight thousand, six hundred thirty-five".