4162409 has 4 divisors (see below), whose sum is σ = 4168260. Its totient is φ = 4156560.

The previous prime is 4162381. The next prime is 4162421. The reversal of 4162409 is 9042614.

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 3168400 + 994009 = 1780^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 4162409 - 2¹² = 4158313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4162439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682 + ... + 3339.

It is an arithmetic number, because the mean of its divisors is an integer number (1042065).

Almost surely, 2^4162409 is an apocalyptic number.

It is an amenable number.

4162409 is a deficient number, since it is larger than the sum of its proper divisors (5851).

4162409 is an equidigital number, since it uses as much as digits as its factorization.

4162409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4162409 is about 2040.1982746782. The cubic root of 4162409 is about 160.8600689951.

It can be divided in two parts, 4 and 162409, that multiplied together give a square (649636 = 806²).

The spelling of 4162409 in words is "four million, one hundred sixty-two thousand, four hundred nine".