2161334 has 16 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 921192.

The previous prime is 2161331. The next prime is 2161337. The reversal of 2161334 is 4331612.

It is an interprime number because it is at equal distance from previous prime (2161331) and next prime (2161337).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^2161334 is an apocalyptic number.

2161334 is a deficient number, since it is larger than the sum of its proper divisors (1564234).

2161334 is a wasteful number, since it uses less digits than its factorization.

2161334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its digits is 432, while the sum is 20.

The square root of 2161334 is about 1470.1476116363. The cubic root of 2161334 is about 129.2926871836.

Adding to 2161334 its reverse (4331612), we get a palindrome (6492946).

The spelling of 2161334 in words is "two million, one hundred sixty-one thousand, three hundred thirty-four".