2163434 has 16 divisors (see below), whose sum is σ = 3994368. Its totient is φ = 855792.

The previous prime is 2163431. The next prime is 2163439. The reversal of 2163434 is 4343612.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2163431) 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, 5762 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (249648).

2^2163434 is an apocalyptic number.

2163434 is a deficient number, since it is larger than the sum of its proper divisors (1830934).

2163434 is a wasteful number, since it uses less digits than its factorization.

2163434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11909.

The product of its digits is 1728, while the sum is 23.

The square root of 2163434 is about 1470.8616522297. The cubic root of 2163434 is about 129.3345481753.

The spelling of 2163434 in words is "two million, one hundred sixty-three thousand, four hundred thirty-four".