5409985 has 8 divisors (see below), whose sum is σ = 7419456. Its totient is φ = 3709680.

The previous prime is 5409977. The next prime is 5410007. The reversal of 5409985 is 5899045.

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

It is not a de Polignac number, because 5409985 - 2³ = 5409977 is a prime.

It is a Duffinian 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, 77251 + ... + 77320.

It is an arithmetic number, because the mean of its divisors is an integer number (927432).

Almost surely, 2^5409985 is an apocalyptic number.

It is an amenable number.

5409985 is a deficient number, since it is larger than the sum of its proper divisors (2009471).

5409985 is a wasteful number, since it uses less digits than its factorization.

5409985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154583.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 5409985 is about 2325.9374454185. The cubic root of 5409985 is about 175.5491322194.

The spelling of 5409985 in words is "five million, four hundred nine thousand, nine hundred eighty-five".