4160891 has 16 divisors (see below), whose sum is σ = 4992000. Its totient is φ = 3392928.

The previous prime is 4160881. The next prime is 4160899. The reversal of 4160891 is 1980614.

It is not a de Polignac number, because 4160891 - 2¹⁸ = 3898747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4160899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20810 + ... + 21008.

It is an arithmetic number, because the mean of its divisors is an integer number (312000).

Almost surely, 2^4160891 is an apocalyptic number.

4160891 is a deficient number, since it is larger than the sum of its proper divisors (831109).

4160891 is a wasteful number, since it uses less digits than its factorization.

4160891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 4160891 is about 2039.8262180882. The cubic root of 4160891 is about 160.8405117888.

The spelling of 4160891 in words is "four million, one hundred sixty thousand, eight hundred ninety-one".