5686442 has 4 divisors (see below), whose sum is σ = 8529666. Its totient is φ = 2843220.

The previous prime is 5686441. The next prime is 5686487. The reversal of 5686442 is 2446865.

5686442 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2927521 + 2758921 = 1711^2 + 1661^2 .

It is not an unprimeable number, because it can be changed into a prime (5686441) 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 as a sum of consecutive naturals, namely, 1421609 + ... + 1421612.

Almost surely, 2^5686442 is an apocalyptic number.

5686442 is a deficient number, since it is larger than the sum of its proper divisors (2843224).

5686442 is a wasteful number, since it uses less digits than its factorization.

5686442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843223.

The product of its digits is 46080, while the sum is 35.

The square root of 5686442 is about 2384.6261761542. The cubic root of 5686442 is about 178.4898554966.

The spelling of 5686442 in words is "five million, six hundred eighty-six thousand, four hundred forty-two".