3404643 has 8 divisors (see below), whose sum is σ = 4952256. Its totient is φ = 2063400.

The previous prime is 3404579. The next prime is 3404651. The reversal of 3404643 is 3464043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3404643 - 2⁶ = 3404579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3404683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51553 + ... + 51618.

It is an arithmetic number, because the mean of its divisors is an integer number (619032).

Almost surely, 2^3404643 is an apocalyptic number.

3404643 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3404643 is a deficient number, since it is larger than the sum of its proper divisors (1547613).

3404643 is a wasteful number, since it uses less digits than its factorization.

3404643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103185.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3404643 is about 1845.1674720740. The cubic root of 3404643 is about 150.4378760754.

Adding to 3404643 its reverse (3464043), we get a palindrome (6868686).

The spelling of 3404643 in words is "three million, four hundred four thousand, six hundred forty-three".