5645436 has 12 divisors (see below), whose sum is σ = 13172712. Its totient is φ = 1881808.

The previous prime is 5645407. The next prime is 5645447. The reversal of 5645436 is 6345465.

5645436 = 788² + 789² + ... + 796².

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 5645397 and 5645406.

It is a congruent number.

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, 235215 + ... + 235238.

It is an arithmetic number, because the mean of its divisors is an integer number (1097726).

Almost surely, 2^5645436 is an apocalyptic number.

It is an amenable number.

5645436 is an abundant number, since it is smaller than the sum of its proper divisors (7527276).

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

5645436 is a wasteful number, since it uses less digits than its factorization.

5645436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470460 (or 470458 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 5645436 is about 2376.0126262291. The cubic root of 5645436 is about 178.0597787689.

The spelling of 5645436 in words is "five million, six hundred forty-five thousand, four hundred thirty-six".