5891409 has 6 divisors (see below), whose sum is σ = 8509826. Its totient is φ = 3927600.

The previous prime is 5891407. The next prime is 5891419. The reversal of 5891409 is 9041985.

It can be written as a sum of positive squares in only one way, i.e., 3504384 + 2387025 = 1872^2 + 1545^2 .

It is not a de Polignac number, because 5891409 - 2¹ = 5891407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5891407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327292 + ... + 327309.

Almost surely, 2^5891409 is an apocalyptic number.

It is an amenable number.

5891409 is a deficient number, since it is larger than the sum of its proper divisors (2618417).

5891409 is a wasteful number, since it uses less digits than its factorization.

5891409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654607 (or 654604 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 5891409 is about 2427.2224867119. Note that the first 3 decimals coincide. The cubic root of 5891409 is about 180.6091399811.

The spelling of 5891409 in words is "five million, eight hundred ninety-one thousand, four hundred nine".