3061409 has 4 divisors (see below), whose sum is σ = 3296916. Its totient is φ = 2825904.

The previous prime is 3061403. The next prime is 3061427. The reversal of 3061409 is 9041603.

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

It can be written as a sum of positive squares in 2 ways, for example, as 305809 + 2755600 = 553^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 3061409 - 2¹⁶ = 2995873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061403) 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, 117734 + ... + 117759.

It is an arithmetic number, because the mean of its divisors is an integer number (824229).

Almost surely, 2^3061409 is an apocalyptic number.

It is an amenable number.

3061409 is a deficient number, since it is larger than the sum of its proper divisors (235507).

3061409 is a wasteful number, since it uses less digits than its factorization.

3061409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235506.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3061409 is about 1749.6882579477. The cubic root of 3061409 is about 145.2023967052.

The spelling of 3061409 in words is "three million, sixty-one thousand, four hundred nine".