3418643 has 4 divisors (see below), whose sum is σ = 3422400. Its totient is φ = 3414888.

The previous prime is 3418633. The next prime is 3418661. The reversal of 3418643 is 3468143.

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: 3468143 = 7 ⋅495449.

It is a cyclic number.

It is not a de Polignac number, because 3418643 - 2⁴ = 3418627 is a prime.

It is a super-2 number, since 2×3418643² = 23374239922898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3418603) 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, 446 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (855600).

Almost surely, 2^3418643 is an apocalyptic number.

3418643 is a deficient number, since it is larger than the sum of its proper divisors (3757).

3418643 is a wasteful number, since it uses less digits than its factorization.

3418643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756.

The product of its digits is 6912, while the sum is 29.

The square root of 3418643 is about 1848.9572737086. The cubic root of 3418643 is about 150.6437958558.

The spelling of 3418643 in words is "three million, four hundred eighteen thousand, six hundred forty-three".