5449680 has 150 divisors (see below), whose sum is σ = 19602726. Its totient is φ = 1403136.

The previous prime is 5449667. The next prime is 5449687. The reversal of 5449680 is 869445.

It can be written as a sum of positive squares in 3 ways, for example, as 627264 + 4822416 = 792^2 + 2196^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449687) 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 29 ways as a sum of consecutive naturals, for example, 187906 + ... + 187934.

Almost surely, 2^5449680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5449680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9801363).

5449680 is an abundant number, since it is smaller than the sum of its proper divisors (14153046).

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

5449680 is a wasteful number, since it uses less digits than its factorization.

5449680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 5449680 is about 2334.4549685098. The cubic root of 5449680 is about 175.9774420124.

Multiplying 5449680 by its reverse (869445), we get a square (4738197027600 = 2176740²).

The spelling of 5449680 in words is "five million, four hundred forty-nine thousand, six hundred eighty".