4171491 has 12 divisors (see below), whose sum is σ = 6188832. Its totient is φ = 2705616.

The previous prime is 4171483. The next prime is 4171499. The reversal of 4171491 is 1941714.

4171491 is a `hidden beast` number, since 4 + 171 + 491 = 666.

It is an interprime number because it is at equal distance from previous prime (4171483) and next prime (4171499).

It is not a de Polignac number, because 4171491 - 2³ = 4171483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4171499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5931 + ... + 6596.

It is an arithmetic number, because the mean of its divisors is an integer number (515736).

Almost surely, 2^4171491 is an apocalyptic number.

4171491 is a deficient number, since it is larger than the sum of its proper divisors (2017341).

4171491 is a wasteful number, since it uses less digits than its factorization.

4171491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12570 (or 12567 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 4171491 is about 2042.4228259594. The cubic root of 4171491 is about 160.9769780489.

The spelling of 4171491 in words is "four million, one hundred seventy-one thousand, four hundred ninety-one".