3506445 has 24 divisors (see below), whose sum is σ = 6173856. Its totient is φ = 1840608.

The previous prime is 3506423. The next prime is 3506479. The reversal of 3506445 is 5446053.

It is not a de Polignac number, because 3506445 - 2⁶ = 3506381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2434 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (257244).

Almost surely, 2^3506445 is an apocalyptic number.

It is an amenable number.

3506445 is a deficient number, since it is larger than the sum of its proper divisors (2667411).

3506445 is a wasteful number, since it uses less digits than its factorization.

3506445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3506445 is about 1872.5503998558. The cubic root of 3506445 is about 151.9225858102.

The spelling of 3506445 in words is "three million, five hundred six thousand, four hundred forty-five".