5678388 has 18 divisors (see below), whose sum is σ = 14353794. Its totient is φ = 1892784.

The previous prime is 5678347. The next prime is 5678411. The reversal of 5678388 is 8838765.

5678388 is a `hidden beast` number, since 567 + 8 + 3 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4485924 + 1192464 = 2118^2 + 1092^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 78831 + ... + 78902.

It is an arithmetic number, because the mean of its divisors is an integer number (797433).

Almost surely, 2^5678388 is an apocalyptic number.

It is an amenable number.

5678388 is an abundant number, since it is smaller than the sum of its proper divisors (8675406).

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

5678388 is a wasteful number, since it uses less digits than its factorization.

5678388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157743 (or 157738 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 5678388 is about 2382.9368434770. The cubic root of 5678388 is about 178.4055475629.

The spelling of 5678388 in words is "five million, six hundred seventy-eight thousand, three hundred eighty-eight".