5447920 has 20 divisors (see below), whose sum is σ = 12666600. Its totient is φ = 2179136.

The previous prime is 5447903. The next prime is 5447921. The reversal of 5447920 is 297445.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5447921) 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, 33970 + ... + 34129.

It is an arithmetic number, because the mean of its divisors is an integer number (633330).

Almost surely, 2^5447920 is an apocalyptic number.

It is an amenable number.

5447920 is an abundant number, since it is smaller than the sum of its proper divisors (7218680).

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

5447920 is a wasteful number, since it uses less digits than its factorization.

5447920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68112 (or 68106 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 5447920 is about 2334.0779764181. The cubic root of 5447920 is about 175.9584957229.

It can be divided in two parts, 544 and 7920, that added together give a square (8464 = 92²).

The spelling of 5447920 in words is "five million, four hundred forty-seven thousand, nine hundred twenty".