5781424 has 40 divisors (see below), whose sum is σ = 12374208. Its totient is φ = 2594880.

The previous prime is 5781409. The next prime is 5781431. The reversal of 5781424 is 4241875.

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18679 + ... + 18985.

Almost surely, 2^5781424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5781424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6187104).

5781424 is an abundant number, since it is smaller than the sum of its proper divisors (6592784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5781424 is a wasteful number, since it uses less digits than its factorization.

5781424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 427 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 5781424 is about 2404.4591907537. The cubic root of 5781424 is about 179.4781593681.

It can be divided in two parts, 578 and 1424, that added together give a palindrome (2002).

The spelling of 5781424 in words is "five million, seven hundred eighty-one thousand, four hundred twenty-four".