4426409 has 8 divisors (see below), whose sum is σ = 5047560. Its totient is φ = 3845376.

The previous prime is 4426379. The next prime is 4426417. The reversal of 4426409 is 9046244.

It can be written as a sum of positive squares in 4 ways, for example, as 211600 + 4214809 = 460^2 + 2053^2 .

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-4426409 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 (4426109) 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, 9794 + ... + 10235.

It is an arithmetic number, because the mean of its divisors is an integer number (630945).

Almost surely, 2^4426409 is an apocalyptic number.

It is an amenable number.

4426409 is a deficient number, since it is larger than the sum of its proper divisors (621151).

4426409 is a wasteful number, since it uses less digits than its factorization.

4426409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20059.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 4426409 is about 2103.9032772445. The cubic root of 4426409 is about 164.1914406284.

It can be divided in two parts, 4 and 426409, that multiplied together give a square (1705636 = 1306²).

The spelling of 4426409 in words is "four million, four hundred twenty-six thousand, four hundred nine".