4106391 has 4 divisors (see below), whose sum is σ = 5475192. Its totient is φ = 2737592.

The previous prime is 4106383. The next prime is 4106393. The reversal of 4106391 is 1936014.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4106391 - 2³ = 4106383 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4106393) 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, 684396 + ... + 684401.

It is an arithmetic number, because the mean of its divisors is an integer number (1368798).

Almost surely, 2^4106391 is an apocalyptic number.

4106391 is a deficient number, since it is larger than the sum of its proper divisors (1368801).

4106391 is a wasteful number, since it uses less digits than its factorization.

4106391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368800.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 4106391 is about 2026.4232035782. The cubic root of 4106391 is about 160.1351852280.

The spelling of 4106391 in words is "four million, one hundred six thousand, three hundred ninety-one".