5642424 has 24 divisors (see below), whose sum is σ = 15281760. Its totient is φ = 1880784.

The previous prime is 5642407. The next prime is 5642459. The reversal of 5642424 is 4242465.

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39112 + ... + 39255.

It is an arithmetic number, because the mean of its divisors is an integer number (636740).

Almost surely, 2^5642424 is an apocalyptic number.

It is an amenable number.

5642424 is an abundant number, since it is smaller than the sum of its proper divisors (9639336).

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

5642424 is a wasteful number, since it uses less digits than its factorization.

5642424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78379 (or 78372 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 5642424 is about 2375.3787066487. The cubic root of 5642424 is about 178.0281064905.

Adding to 5642424 its reverse (4242465), we get a palindrome (9884889).

The spelling of 5642424 in words is "five million, six hundred forty-two thousand, four hundred twenty-four".