2148472 has 16 divisors (see below), whose sum is σ = 4069800. Its totient is φ = 1063200.

The previous prime is 2148467. The next prime is 2148473. The reversal of 2148472 is 2748412.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2148472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148473) 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, 522 + ... + 2137.

2^2148472 is an apocalyptic number.

It is an amenable number.

2148472 is a deficient number, since it is larger than the sum of its proper divisors (1921328).

2148472 is a wasteful number, since it uses less digits than its factorization.

2148472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2762 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 2148472 is about 1465.7666935771. The cubic root of 2148472 is about 129.0357051176.

The spelling of 2148472 in words is "two million, one hundred forty-eight thousand, four hundred seventy-two".