3418391 has 4 divisors (see below), whose sum is σ = 3422112. Its totient is φ = 3414672.

The previous prime is 3418381. The next prime is 3418397. The reversal of 3418391 is 1938143.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1938143 = 577 ⋅3359.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3418391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3418397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (855528).

Almost surely, 2^3418391 is an apocalyptic number.

3418391 is a deficient number, since it is larger than the sum of its proper divisors (3721).

3418391 is a wasteful number, since it uses less digits than its factorization.

3418391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720.

The product of its digits is 2592, while the sum is 29.

The square root of 3418391 is about 1848.8891259348. The cubic root of 3418391 is about 150.6400942731.

The spelling of 3418391 in words is "three million, four hundred eighteen thousand, three hundred ninety-one".