3505743 has 6 divisors (see below), whose sum is σ = 5063864. Its totient is φ = 2337156.

The previous prime is 3505727. The next prime is 3505751. The reversal of 3505743 is 3475053.

It is a happy number.

It is not a de Polignac number, because 3505743 - 2⁴ = 3505727 is a prime.

It is a Duffinian number.

3505743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194755 + ... + 194772.

Almost surely, 2^3505743 is an apocalyptic number.

3505743 is a deficient number, since it is larger than the sum of its proper divisors (1558121).

3505743 is a wasteful number, since it uses less digits than its factorization.

3505743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389533 (or 389530 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 3505743 is about 1872.3629455851. The cubic root of 3505743 is about 151.9124466927.

The spelling of 3505743 in words is "three million, five hundred five thousand, seven hundred forty-three".