5647920 has 80 divisors (see below), whose sum is σ = 17757792. Its totient is φ = 1484800.

The previous prime is 5647919. The next prime is 5647933. The reversal of 5647920 is 297465.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24124 + ... + 24356.

Almost surely, 2^5647920 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 5647920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8878896).

5647920 is an abundant number, since it is smaller than the sum of its proper divisors (12109872).

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

5647920 is a wasteful number, since it uses less digits than its factorization.

5647920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 5647920 is about 2376.5352932368. The cubic root of 5647920 is about 178.0858904595.

The spelling of 5647920 in words is "five million, six hundred forty-seven thousand, nine hundred twenty".