3098409 has 4 divisors (see below), whose sum is σ = 4131216. Its totient is φ = 2065604.

The previous prime is 3098393. The next prime is 3098423. The reversal of 3098409 is 9048903.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9048903 = 3 ⋅3016301.

It is a cyclic number.

It is not a de Polignac number, because 3098409 - 2⁴ = 3098393 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

3098409 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3098409.

It is not an unprimeable number, because it can be changed into a prime (3098429) 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, 516399 + ... + 516404.

It is an arithmetic number, because the mean of its divisors is an integer number (1032804).

Almost surely, 2^3098409 is an apocalyptic number.

It is an amenable number.

3098409 is a deficient number, since it is larger than the sum of its proper divisors (1032807).

3098409 is a wasteful number, since it uses less digits than its factorization.

3098409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032806.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3098409 is about 1760.2298145413. The cubic root of 3098409 is about 145.7850248336.

The spelling of 3098409 in words is "three million, ninety-eight thousand, four hundred nine".