2161362 has 16 divisors (see below), whose sum is σ = 4940352. Its totient is φ = 617520.

The previous prime is 2161349. The next prime is 2161373. The reversal of 2161362 is 2631612.

It is a happy number.

2161362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25689 + ... + 25772.

It is an arithmetic number, because the mean of its divisors is an integer number (308772).

2^2161362 is an apocalyptic number.

2161362 is an abundant number, since it is smaller than the sum of its proper divisors (2778990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161362 is a wasteful number, since it uses less digits than its factorization.

2161362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51473.

The product of its digits is 432, while the sum is 21.

The square root of 2161362 is about 1470.1571344588. The cubic root of 2161362 is about 129.2932455085.

Adding to 2161362 its reverse (2631612), we get a palindrome (4792974).

The spelling of 2161362 in words is "two million, one hundred sixty-one thousand, three hundred sixty-two".