4091384 has 32 divisors (see below), whose sum is σ = 8812800. Its totient is φ = 1761120.

The previous prime is 4091383. The next prime is 4091393. The reversal of 4091384 is 4831904.

It is a super-3 number, since 3×4091384³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091383) 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, 449 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (275400).

Almost surely, 2^4091384 is an apocalyptic number.

4091384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4091384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4406400).

4091384 is an abundant number, since it is smaller than the sum of its proper divisors (4721416).

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

4091384 is a wasteful number, since it uses less digits than its factorization.

4091384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4091384 is about 2022.7169846521. The cubic root of 4091384 is about 159.9398732410.

The spelling of 4091384 in words is "four million, ninety-one thousand, three hundred eighty-four".