5449789 has 4 divisors (see below), whose sum is σ = 5736640. Its totient is φ = 5162940.

The previous prime is 5449783. The next prime is 5449793. The reversal of 5449789 is 9879445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5449789 - 2⁵ = 5449757 is a prime.

It is a Duffinian number.

5449789 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449783) by changing a digit.

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, 143397 + ... + 143434.

It is an arithmetic number, because the mean of its divisors is an integer number (1434160).

Almost surely, 2^5449789 is an apocalyptic number.

It is an amenable number.

5449789 is a deficient number, since it is larger than the sum of its proper divisors (286851).

5449789 is a wasteful number, since it uses less digits than its factorization.

5449789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286850.

The product of its digits is 362880, while the sum is 46.

The square root of 5449789 is about 2334.4783143135. The cubic root of 5449789 is about 175.9786152565.

It can be divided in two parts, 544 and 9789, that multiplied together give a triangular number (5325216 = T₃₂₆₃).

The spelling of 5449789 in words is "five million, four hundred forty-nine thousand, seven hundred eighty-nine".