3506909 has 8 divisors (see below), whose sum is σ = 4034688. Its totient is φ = 2985840.

The previous prime is 3506891. The next prime is 3506929. The reversal of 3506909 is 9096053.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3506909 - 2¹² = 3502813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (504336).

Almost surely, 2^3506909 is an apocalyptic number.

It is an amenable number.

3506909 is a deficient number, since it is larger than the sum of its proper divisors (527779).

3506909 is a wasteful number, since it uses less digits than its factorization.

3506909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 3506909 is about 1872.6742909540. The cubic root of 3506909 is about 151.9292867063.

The spelling of 3506909 in words is "three million, five hundred six thousand, nine hundred nine".