5644895 has 4 divisors (see below), whose sum is σ = 6773880. Its totient is φ = 4515912.

The previous prime is 5644889. The next prime is 5644907. The reversal of 5644895 is 5984465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5644895 - 2¹⁶ = 5579359 is a prime.

It is a super-2 number, since 2×5644895² = 63729679122050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564485 + ... + 564494.

It is an arithmetic number, because the mean of its divisors is an integer number (1693470).

Almost surely, 2^5644895 is an apocalyptic number.

5644895 is a deficient number, since it is larger than the sum of its proper divisors (1128985).

5644895 is a wasteful number, since it uses less digits than its factorization.

5644895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128984.

The product of its digits is 172800, while the sum is 41.

The square root of 5644895 is about 2375.8987773051. The cubic root of 5644895 is about 178.0540907867.

The spelling of 5644895 in words is "five million, six hundred forty-four thousand, eight hundred ninety-five".