5648436 has 18 divisors (see below), whose sum is σ = 14278082. Its totient is φ = 1882800.

The previous prime is 5648429. The next prime is 5648449. The reversal of 5648436 is 6348465.

5648436 is a `hidden beast` number, since 5 + 648 + 4 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3825936 + 1822500 = 1956^2 + 1350^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 156901 = 5648436 / (5 + 6 + 4 + 8 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 5648436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78415 + ... + 78486.

Almost surely, 2^5648436 is an apocalyptic number.

It is an amenable number.

5648436 is an abundant number, since it is smaller than the sum of its proper divisors (8629646).

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

5648436 is a wasteful number, since it uses less digits than its factorization.

5648436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156911 (or 156906 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 5648436 is about 2376.6438521579. The cubic root of 5648436 is about 178.0913136667.

It can be divided in two parts, 5648 and 436, that added together give a square (6084 = 78²).

The spelling of 5648436 in words is "five million, six hundred forty-eight thousand, four hundred thirty-six".