5909405 has 4 divisors (see below), whose sum is σ = 7091292. Its totient is φ = 4727520.

The previous prime is 5909389. The next prime is 5909411. The reversal of 5909405 is 5049095.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5049095 = 5 ⋅1009819.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 4897369 = 1006^2 + 2213^2 .

It is not a de Polignac number, because 5909405 - 2⁴ = 5909389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 590936 + ... + 590945.

It is an arithmetic number, because the mean of its divisors is an integer number (1772823).

Almost surely, 2^5909405 is an apocalyptic number.

It is an amenable number.

5909405 is a deficient number, since it is larger than the sum of its proper divisors (1181887).

5909405 is a wasteful number, since it uses less digits than its factorization.

5909405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181886.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5909405 is about 2430.9267780005. The cubic root of 5909405 is about 180.7928503223.

The spelling of 5909405 in words is "five million, nine hundred nine thousand, four hundred five".