2162493 has 12 divisors (see below), whose sum is σ = 3139708. Its totient is φ = 1434240.

The previous prime is 2162449. The next prime is 2162497. The reversal of 2162493 is 3942612.

It can be written as a sum of positive squares in 2 ways, for example, as 1750329 + 412164 = 1323^2 + 642^2 .

It is not a de Polignac number, because 2162493 - 2¹⁰ = 2161469 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 6⁶ + 2²¹ + 4⁷ + 9 + 3⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162497) 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, 1671 + ... + 2667.

2^2162493 is an apocalyptic number.

It is an amenable number.

2162493 is a deficient number, since it is larger than the sum of its proper divisors (977215).

2162493 is a wasteful number, since it uses less digits than its factorization.

2162493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1241 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2162493 is about 1470.5417369119. The cubic root of 2162493 is about 129.3157938154.

The spelling of 2162493 in words is "two million, one hundred sixty-two thousand, four hundred ninety-three".