5649860 has 12 divisors (see below), whose sum is σ = 11864748. Its totient is φ = 2259936.

The previous prime is 5649851. The next prime is 5649871. The reversal of 5649860 is 689465.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 4072324 = 1256^2 + 2018^2 .

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 3 ways as a sum of consecutive naturals, for example, 141227 + ... + 141266.

It is an arithmetic number, because the mean of its divisors is an integer number (988729).

Almost surely, 2^5649860 is an apocalyptic number.

It is an amenable number.

5649860 is an abundant number, since it is smaller than the sum of its proper divisors (6214888).

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

5649860 is a wasteful number, since it uses less digits than its factorization.

5649860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282502 (or 282500 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 5649860 is about 2376.9434153972. The cubic root of 5649860 is about 178.1062783237.

The spelling of 5649860 in words is "five million, six hundred forty-nine thousand, eight hundred sixty".