5644147 has 8 divisors (see below), whose sum is σ = 5826512. Its totient is φ = 5464800.

The previous prime is 5644127. The next prime is 5644157. The reversal of 5644147 is 7414465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5644147 - 2¹¹ = 5642099 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5644127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3397 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (728314).

Almost surely, 2^5644147 is an apocalyptic number.

5644147 is a deficient number, since it is larger than the sum of its proper divisors (182365).

5644147 is a wasteful number, since it uses less digits than its factorization.

5644147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its digits is 13440, while the sum is 31.

The square root of 5644147 is about 2375.7413579765. The cubic root of 5644147 is about 178.0462258431.

The spelling of 5644147 in words is "five million, six hundred forty-four thousand, one hundred forty-seven".