4036891 has 8 divisors (see below), whose sum is σ = 4241664. Its totient is φ = 3834600.

The previous prime is 4036889. The next prime is 4036909. The reversal of 4036891 is 1986304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4036891 - 2¹ = 4036889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4036801) 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, 3316 + ... + 4366.

It is an arithmetic number, because the mean of its divisors is an integer number (530208).

Almost surely, 2^4036891 is an apocalyptic number.

4036891 is a deficient number, since it is larger than the sum of its proper divisors (204773).

4036891 is a wasteful number, since it uses less digits than its factorization.

4036891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4036891 is about 2009.2015827189. The cubic root of 4036891 is about 159.2266193504.

The spelling of 4036891 in words is "four million, thirty-six thousand, eight hundred ninety-one".