4426405 has 8 divisors (see below), whose sum is σ = 5323032. Its totient is φ = 3533568.

The previous prime is 4426379. The next prime is 4426417. The reversal of 4426405 is 5046244.

It can be written as a sum of positive squares in 4 ways, for example, as 2614689 + 1811716 = 1617^2 + 1346^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4426405 - 2⁷ = 4426277 is a prime.

It is a super-2 number, since 2×4426405² = 39186122448050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4426405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3769 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (665379).

Almost surely, 2^4426405 is an apocalyptic number.

It is an amenable number.

4426405 is a deficient number, since it is larger than the sum of its proper divisors (896627).

4426405 is a wasteful number, since it uses less digits than its factorization.

4426405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4426405 is about 2103.9023266302. The cubic root of 4426405 is about 164.1913911702.

It can be divided in two parts, 442 and 6405, that multiplied together give a triangular number (2831010 = T₂₃₇₉).

The spelling of 4426405 in words is "four million, four hundred twenty-six thousand, four hundred five".