3456623 has 4 divisors (see below), whose sum is σ = 3504048. Its totient is φ = 3409200.

The previous prime is 3456617. The next prime is 3456637. The reversal of 3456623 is 3266543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3266543 = 7 ⋅466649.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3456623 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁸ + 4⁶ + 5⁷ + 6⁸ + 6⁸ + 2¹¹ + 3⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3456653) 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, 23603 + ... + 23748.

It is an arithmetic number, because the mean of its divisors is an integer number (876012).

Almost surely, 2^3456623 is an apocalyptic number.

3456623 is a deficient number, since it is larger than the sum of its proper divisors (47425).

3456623 is an equidigital number, since it uses as much as digits as its factorization.

3456623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47424.

The product of its digits is 12960, while the sum is 29.

The square root of 3456623 is about 1859.1995589500. The cubic root of 3456623 is about 151.1996102889.

The spelling of 3456623 in words is "three million, four hundred fifty-six thousand, six hundred twenty-three".