2148269 has 12 divisors (see below), whose sum is σ = 2335872. Its totient is φ = 1973400.

The previous prime is 2148241. The next prime is 2148287. The reversal of 2148269 is 9628412.

2148269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2148269 is a prime.

It is a super-2 number, since 2×2148269² = 9230119392722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148869) 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, 16334 + ... + 16464.

It is an arithmetic number, because the mean of its divisors is an integer number (194656).

2^2148269 is an apocalyptic number.

It is an amenable number.

2148269 is a deficient number, since it is larger than the sum of its proper divisors (187603).

2148269 is a wasteful number, since it uses less digits than its factorization.

2148269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 185 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 2148269 is about 1465.6974449046. The cubic root of 2148269 is about 129.0316409776.

The spelling of 2148269 in words is "two million, one hundred forty-eight thousand, two hundred sixty-nine".