5449644 has 18 divisors (see below), whose sum is σ = 13775580. Its totient is φ = 1816536.

The previous prime is 5449621. The next prime is 5449667. The reversal of 5449644 is 4469445.

5449644 is a `hidden beast` number, since 5 + 4 + 4 + 9 + 644 = 666.

5449644 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5449621) and next prime (5449667).

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

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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: 151379 = 5449644 / (5 + 4 + 4 + 9 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 5449599 and 5449608.

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, 75654 + ... + 75725.

It is an arithmetic number, because the mean of its divisors is an integer number (765310).

Almost surely, 2^5449644 is an apocalyptic number.

It is an amenable number.

5449644 is an abundant number, since it is smaller than the sum of its proper divisors (8325936).

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

5449644 is a wasteful number, since it uses less digits than its factorization.

5449644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151389 (or 151384 counting only the distinct ones).

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

The square root of 5449644 is about 2334.4472579178. The cubic root of 5449644 is about 175.9770545156.

The spelling of 5449644 in words is "five million, four hundred forty-nine thousand, six hundred forty-four".