4321912 has 32 divisors (see below), whose sum is σ = 9400320. Its totient is φ = 1824480.

The previous prime is 4321901. The next prime is 4321931. The reversal of 4321912 is 2191234.

It is a congruent number.

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, 3433 + ... + 4519.

It is an arithmetic number, because the mean of its divisors is an integer number (293760).

Almost surely, 2^4321912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4321912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4700160).

4321912 is an abundant number, since it is smaller than the sum of its proper divisors (5078408).

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

4321912 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 4321912 = (2492131)₁₁.

4321912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1167 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 4321912 is about 2078.9208739151. The cubic root of 4321912 is about 162.8890810744.

The spelling of 4321912 in words is "four million, three hundred twenty-one thousand, nine hundred twelve".