5781842 has 16 divisors (see below), whose sum is σ = 9718272. Its totient is φ = 2556720.

The previous prime is 5781829. The next prime is 5781847. The reversal of 5781842 is 2481875.

It is not an unprimeable number, because it can be changed into a prime (5781847) 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, 2738 + ... + 4365.

It is an arithmetic number, because the mean of its divisors is an integer number (607392).

Almost surely, 2^5781842 is an apocalyptic number.

5781842 is a deficient number, since it is larger than the sum of its proper divisors (3936430).

5781842 is a wasteful number, since it uses less digits than its factorization.

5781842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153.

The product of its digits is 17920, while the sum is 35.

The square root of 5781842 is about 2404.5461110155. The cubic root of 5781842 is about 179.4824847190.

The spelling of 5781842 in words is "five million, seven hundred eighty-one thousand, eight hundred forty-two".