2148686 has 4 divisors (see below), whose sum is σ = 3223032. Its totient is φ = 1074342.

The previous prime is 2148677. The next prime is 2148709. The reversal of 2148686 is 6868412.

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

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537170 + ... + 537173.

It is an arithmetic number, because the mean of its divisors is an integer number (805758).

2^2148686 is an apocalyptic number.

2148686 is a deficient number, since it is larger than the sum of its proper divisors (1074346).

2148686 is a wasteful number, since it uses less digits than its factorization.

2148686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074345.

The product of its digits is 18432, while the sum is 35.

The square root of 2148686 is about 1465.8396910986. The cubic root of 2148686 is about 129.0399892048.

The spelling of 2148686 in words is "two million, one hundred forty-eight thousand, six hundred eighty-six".