5639772 has 24 divisors (see below), whose sum is σ = 13216896. Its totient is φ = 1871728.

The previous prime is 5639759. The next prime is 5639773. The reversal of 5639772 is 2779365.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5639772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639773) 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 7 ways as a sum of consecutive naturals, for example, 2263 + ... + 4049.

It is an arithmetic number, because the mean of its divisors is an integer number (550704).

Almost surely, 2^5639772 is an apocalyptic number.

It is an amenable number.

5639772 is an abundant number, since it is smaller than the sum of its proper divisors (7577124).

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

5639772 is a wasteful number, since it uses less digits than its factorization.

5639772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2055 counting only the distinct ones).

The product of its digits is 79380, while the sum is 39.

The square root of 5639772 is about 2374.8204142629. The cubic root of 5639772 is about 178.0002104109. Note that the first 3 decimals are identical.

The spelling of 5639772 in words is "five million, six hundred thirty-nine thousand, seven hundred seventy-two".