2164473 has 12 divisors (see below), whose sum is σ = 3234660. Its totient is φ = 1393056.

The previous prime is 2164471. The next prime is 2164483. The reversal of 2164473 is 3744612.

2164473 is a `hidden beast` number, since 216 + 447 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 788544 + 1375929 = 888^2 + 1173^2 .

It is not a de Polignac number, because 2164473 - 2¹ = 2164471 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 6⁴ + 4³ + 4⁸ + 7³ + 3⁴ .

2164473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2164471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3886 + ... + 4407.

It is an arithmetic number, because the mean of its divisors is an integer number (269555).

2^2164473 is an apocalyptic number.

It is an amenable number.

2164473 is a deficient number, since it is larger than the sum of its proper divisors (1070187).

2164473 is a wasteful number, since it uses less digits than its factorization.

2164473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328 (or 8325 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 2164473 is about 1471.2148041670. The cubic root of 2164473 is about 129.3552493829.

The spelling of 2164473 in words is "two million, one hundred sixty-four thousand, four hundred seventy-three".