5678420 has 48 divisors (see below), whose sum is σ = 13281408. Its totient is φ = 2021760.

The previous prime is 5678419. The next prime is 5678423. The reversal of 5678420 is 248765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678423) 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 in 15 ways as a sum of consecutive naturals, for example, 11417 + ... + 11903.

It is an arithmetic number, because the mean of its divisors is an integer number (276696).

Almost surely, 2^5678420 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 5678420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6640704).

5678420 is an abundant number, since it is smaller than the sum of its proper divisors (7602988).

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

5678420 is a wasteful number, since it uses less digits than its factorization.

5678420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 5678420 is about 2382.9435578712. The cubic root of 5678420 is about 178.4058826913.

The spelling of 5678420 in words is "five million, six hundred seventy-eight thousand, four hundred twenty".