3505623 has 16 divisors (see below), whose sum is σ = 5225472. Its totient is φ = 2072000.

The previous prime is 3505613. The next prime is 3505627. The reversal of 3505623 is 3265053.

It is a cyclic number.

It is not a de Polignac number, because 3505623 - 2⁶ = 3505559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3505593 and 3505602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

Almost surely, 2^3505623 is an apocalyptic number.

3505623 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3505623 is a deficient number, since it is larger than the sum of its proper divisors (1719849).

3505623 is a wasteful number, since it uses less digits than its factorization.

3505623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 3505623 is about 1872.3309002417. The cubic root of 3505623 is about 151.9107133748.

The spelling of 3505623 in words is "three million, five hundred five thousand, six hundred twenty-three".