3467891 has 4 divisors (see below), whose sum is σ = 3963312. Its totient is φ = 2972472.

The previous prime is 3467869. The next prime is 3467909. The reversal of 3467891 is 1987643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1987643 = 7 ⋅283949.

It is a cyclic number.

It is not a de Polignac number, because 3467891 - 2¹⁰ = 3466867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3467831) 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, 247700 + ... + 247713.

It is an arithmetic number, because the mean of its divisors is an integer number (990828).

Almost surely, 2^3467891 is an apocalyptic number.

3467891 is a deficient number, since it is larger than the sum of its proper divisors (495421).

3467891 is an equidigital number, since it uses as much as digits as its factorization.

3467891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495420.

The product of its digits is 36288, while the sum is 38.

The square root of 3467891 is about 1862.2274297196. The cubic root of 3467891 is about 151.3637270467.

The spelling of 3467891 in words is "three million, four hundred sixty-seven thousand, eight hundred ninety-one".