3506493 has 4 divisors (see below), whose sum is σ = 4675328. Its totient is φ = 2337660.

The previous prime is 3506483. The next prime is 3506519. The reversal of 3506493 is 3946053.

It is a happy number.

3506493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3506493 - 2⁹ = 3505981 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3506493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584413 + ... + 584418.

It is an arithmetic number, because the mean of its divisors is an integer number (1168832).

Almost surely, 2^3506493 is an apocalyptic number.

It is an amenable number.

3506493 is a deficient number, since it is larger than the sum of its proper divisors (1168835).

3506493 is a wasteful number, since it uses less digits than its factorization.

3506493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168834.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3506493 is about 1872.5632165564. The cubic root of 3506493 is about 151.9232790337.

The spelling of 3506493 in words is "three million, five hundred six thousand, four hundred ninety-three".