657674484 has 12 divisors (see below), whose sum is σ = 1534573824. Its totient is φ = 219224824.

The previous prime is 657674477. The next prime is 657674497. The reversal of 657674484 is 484476756.

657674484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27403092 + ... + 27403115.

It is an arithmetic number, because the mean of its divisors is an integer number (127881152).

Almost surely, 2^657674484 is an apocalyptic number.

It is an amenable number.

657674484 is an abundant number, since it is smaller than the sum of its proper divisors (876899340).

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

657674484 is a wasteful number, since it uses less digits than its factorization.

657674484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54806214 (or 54806212 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 51.

The square root of 657674484 is about 25645.1649244063. The cubic root of 657674484 is about 869.6349743614.

The spelling of 657674484 in words is "six hundred fifty-seven million, six hundred seventy-four thousand, four hundred eighty-four".