3506447 has 4 divisors (see below), whose sum is σ = 4007376. Its totient is φ = 3005520.

The previous prime is 3506423. The next prime is 3506479. The reversal of 3506447 is 7446053.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3506447 - 2⁶ = 3506383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506407) 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, 250454 + ... + 250467.

It is an arithmetic number, because the mean of its divisors is an integer number (1001844).

Almost surely, 2^3506447 is an apocalyptic number.

3506447 is a deficient number, since it is larger than the sum of its proper divisors (500929).

3506447 is an equidigital number, since it uses as much as digits as its factorization.

3506447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500928.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3506447 is about 1872.5509338867. The cubic root of 3506447 is about 151.9226146946.

The spelling of 3506447 in words is "three million, five hundred six thousand, four hundred forty-seven".