5639427 has 48 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 3225600.

The previous prime is 5639411. The next prime is 5639453. The reversal of 5639427 is 7249365.

5639427 is a `hidden beast` number, since 563 + 94 + 2 + 7 = 666.

It is not a de Polignac number, because 5639427 - 2⁴ = 5639411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5639391 and 5639400.

It is not an unprimeable number, because it can be changed into a prime (5639467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137527 + ... + 137567.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

Almost surely, 2^5639427 is an apocalyptic number.

5639427 is a deficient number, since it is larger than the sum of its proper divisors (3795453).

5639427 is a wasteful number, since it uses less digits than its factorization.

5639427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 121 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 5639427 is about 2374.7477760807. The cubic root of 5639427 is about 177.9965807532.

The spelling of 5639427 in words is "five million, six hundred thirty-nine thousand, four hundred twenty-seven".