5778409 has 8 divisors (see below), whose sum is σ = 7112000. Its totient is φ = 4571856.

The previous prime is 5778407. The next prime is 5778427. The reversal of 5778409 is 9048775.

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 5778409 - 2¹ = 5778407 is a prime.

5778409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5778407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31659 + ... + 31840.

It is an arithmetic number, because the mean of its divisors is an integer number (889000).

Almost surely, 2^5778409 is an apocalyptic number.

It is an amenable number.

5778409 is a deficient number, since it is larger than the sum of its proper divisors (1333591).

5778409 is a wasteful number, since it uses less digits than its factorization.

5778409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63519.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 5778409 is about 2403.8321488823. The cubic root of 5778409 is about 179.4469547869.

The spelling of 5778409 in words is "five million, seven hundred seventy-eight thousand, four hundred nine".