5644780 has 12 divisors (see below), whose sum is σ = 11854080. Its totient is φ = 2257904.

The previous prime is 5644777. The next prime is 5644781. The reversal of 5644780 is 874465.

It is not an unprimeable number, because it can be changed into a prime (5644781) 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 3 ways as a sum of consecutive naturals, for example, 141100 + ... + 141139.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^5644780 is an apocalyptic number.

It is an amenable number.

5644780 is an abundant number, since it is smaller than the sum of its proper divisors (6209300).

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

5644780 is a wasteful number, since it uses less digits than its factorization.

5644780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282248 (or 282246 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 5644780 is about 2375.8745758141. The cubic root of 5644780 is about 178.0528816494.

It can be divided in two parts, 56 and 44780, that multiplied together give a triangular number (2507680 = T₂₂₃₉).

The spelling of 5644780 in words is "five million, six hundred forty-four thousand, seven hundred eighty".