4191312 has 40 divisors (see below), whose sum is σ = 11204640. Its totient is φ = 1348480.

The previous prime is 4191311. The next prime is 4191329. The reversal of 4191312 is 2131914.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (280116).

Almost surely, 2^4191312 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 4191312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5602320).

4191312 is an abundant number, since it is smaller than the sum of its proper divisors (7013328).

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

4191312 is a wasteful number, since it uses less digits than its factorization.

4191312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051 (or 3045 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 4191312 is about 2047.2694009338. The cubic root of 4191312 is about 161.2315380582.

The spelling of 4191312 in words is "four million, one hundred ninety-one thousand, three hundred twelve".