3100409 has 8 divisors (see below), whose sum is σ = 3535560. Its totient is φ = 2693376.

The previous prime is 3100373. The next prime is 3100421. The reversal of 3100409 is 9040013.

It can be written as a sum of positive squares in 4 ways, for example, as 2809 + 3097600 = 53^2 + 1760^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3100409 is a prime.

It is a super-2 number, since 2×3100409² = 19225071934562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3100309) 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, 6794 + ... + 7235.

It is an arithmetic number, because the mean of its divisors is an integer number (441945).

Almost surely, 2^3100409 is an apocalyptic number.

It is an amenable number.

3100409 is a deficient number, since it is larger than the sum of its proper divisors (435151).

3100409 is a wasteful number, since it uses less digits than its factorization.

3100409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3100409 is about 1760.7978305302. The cubic root of 3100409 is about 145.8163858038.

The spelling of 3100409 in words is "three million, one hundred thousand, four hundred nine".