4159409 has 4 divisors (see below), whose sum is σ = 4260900. Its totient is φ = 4057920.

The previous prime is 4159403. The next prime is 4159447. The reversal of 4159409 is 9049514.

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 1149184 + 3010225 = 1072^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 4159409 - 2⁸ = 4159153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4159403) 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, 50684 + ... + 50765.

It is an arithmetic number, because the mean of its divisors is an integer number (1065225).

Almost surely, 2^4159409 is an apocalyptic number.

It is an amenable number.

4159409 is a deficient number, since it is larger than the sum of its proper divisors (101491).

4159409 is a wasteful number, since it uses less digits than its factorization.

4159409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101490.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 4159409 is about 2039.4629194962. The cubic root of 4159409 is about 160.8214138004.

The spelling of 4159409 in words is "four million, one hundred fifty-nine thousand, four hundred nine".