5921680 has 20 divisors (see below), whose sum is σ = 13768092. Its totient is φ = 2368640.

The previous prime is 5921677. The next prime is 5921681. The reversal of 5921680 is 861295.

It can be written as a sum of positive squares in 2 ways, for example, as 1937664 + 3984016 = 1392^2 + 1996^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5921681) 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, 36931 + ... + 37090.

Almost surely, 2^5921680 is an apocalyptic number.

It is an amenable number.

5921680 is an abundant number, since it is smaller than the sum of its proper divisors (7846412).

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

5921680 is a wasteful number, since it uses less digits than its factorization.

5921680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74034 (or 74028 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 5921680 is about 2433.4502255029. The cubic root of 5921680 is about 180.9179445528.

The spelling of 5921680 in words is "five million, nine hundred twenty-one thousand, six hundred eighty".