4091672 has 16 divisors (see below), whose sum is σ = 8262240. Its totient is φ = 1888416.

The previous prime is 4091671. The next prime is 4091693. The reversal of 4091672 is 2761904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091671) 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 3 ways as a sum of consecutive naturals, for example, 19568 + ... + 19775.

It is an arithmetic number, because the mean of its divisors is an integer number (516390).

Almost surely, 2^4091672 is an apocalyptic number.

It is an amenable number.

4091672 is an abundant number, since it is smaller than the sum of its proper divisors (4170568).

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

4091672 is a wasteful number, since it uses less digits than its factorization.

4091672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39362 (or 39358 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 4091672 is about 2022.7881747726. The cubic root of 4091672 is about 159.9436259730.

The spelling of 4091672 in words is "four million, ninety-one thousand, six hundred seventy-two".