2162943 has 32 divisors (see below), whose sum is σ = 3463680. Its totient is φ = 1347192.

The previous prime is 2162929. The next prime is 2162947. The reversal of 2162943 is 3492612.

It is not a de Polignac number, because 2162943 - 2⁵ = 2162911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2⁷ + 1 + 6² + 2²¹ + 9 + 4⁸ + 3⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50280 + ... + 50322.

It is an arithmetic number, because the mean of its divisors is an integer number (108240).

2^2162943 is an apocalyptic number.

2162943 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2162943 is a deficient number, since it is larger than the sum of its proper divisors (1300737).

2162943 is an frugal number, since it uses more digits than its factorization.

2162943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 69 counting only the distinct ones).

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

The square root of 2162943 is about 1470.6947337908. The cubic root of 2162943 is about 129.3247631040.

The spelling of 2162943 in words is "two million, one hundred sixty-two thousand, nine hundred forty-three".