3404623 has 4 divisors (see below), whose sum is σ = 3408328. Its totient is φ = 3400920.

The previous prime is 3404579. The next prime is 3404651. The reversal of 3404623 is 3264043.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3404623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3404594 and 3404603.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 688 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (852082).

Almost surely, 2^3404623 is an apocalyptic number.

3404623 is a deficient number, since it is larger than the sum of its proper divisors (3705).

3404623 is a wasteful number, since it uses less digits than its factorization.

3404623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3404623 is about 1845.1620525038. The cubic root of 3404623 is about 150.4375815008.

Adding to 3404623 its reverse (3264043), we get a palindrome (6668666).

The spelling of 3404623 in words is "three million, four hundred four thousand, six hundred twenty-three".