3449509 has 8 divisors (see below), whose sum is σ = 3965760. Its totient is φ = 2939136.

The previous prime is 3449497. The next prime is 3449513. The reversal of 3449509 is 9059443.

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 3449509 - 2⁵ = 3449477 is a prime.

It is a super-2 number, since 2×3449509² = 23798224682162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3449519) 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, 124 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (495720).

Almost surely, 2^3449509 is an apocalyptic number.

It is an amenable number.

3449509 is a deficient number, since it is larger than the sum of its proper divisors (516251).

3449509 is a wasteful number, since it uses less digits than its factorization.

3449509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3449509 is about 1857.2853846407. The cubic root of 3449509 is about 151.0958121806.

The spelling of 3449509 in words is "three million, four hundred forty-nine thousand, five hundred nine".