5981409 has 36 divisors (see below), whose sum is σ = 10460736. Its totient is φ = 3225744.

The previous prime is 5981387. The next prime is 5981411. The reversal of 5981409 is 9041895.

It is not a de Polignac number, because 5981409 - 2⁵ = 5981377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5981489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22612 + ... + 22874.

It is an arithmetic number, because the mean of its divisors is an integer number (290576).

Almost surely, 2^5981409 is an apocalyptic number.

It is an amenable number.

5981409 is a deficient number, since it is larger than the sum of its proper divisors (4479327).

5981409 is a wasteful number, since it uses less digits than its factorization.

5981409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 292 counting only the distinct ones).

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

The square root of 5981409 is about 2445.6919266334. The cubic root of 5981409 is about 181.5241868366.

The spelling of 5981409 in words is "five million, nine hundred eighty-one thousand, four hundred nine".