5644406 has 8 divisors (see below), whose sum is σ = 8912280. Its totient is φ = 2673648.

The previous prime is 5644399. The next prime is 5644409. The reversal of 5644406 is 6044465.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74231 + ... + 74306.

It is an arithmetic number, because the mean of its divisors is an integer number (1114035).

Almost surely, 2^5644406 is an apocalyptic number.

5644406 is a deficient number, since it is larger than the sum of its proper divisors (3267874).

5644406 is a wasteful number, since it uses less digits than its factorization.

5644406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148558.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 5644406 is about 2375.7958666518. The cubic root of 5644406 is about 178.0489492110.

The spelling of 5644406 in words is "five million, six hundred forty-four thousand, four hundred six".