683452989 has 12 divisors (see below), whose sum is σ = 1045281276. Its totient is φ = 428833152.

The previous prime is 683452927. The next prime is 683453003. The reversal of 683452989 is 989254386.

683452989 is a `hidden beast` number, since 6 + 8 + 34 + 529 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 283652964 + 399800025 = 16842^2 + 19995^2 .

It is not a de Polignac number, because 683452989 - 2⁸ = 683452733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683452909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2233354 + ... + 2233659.

It is an arithmetic number, because the mean of its divisors is an integer number (87106773).

Almost surely, 2^683452989 is an apocalyptic number.

It is an amenable number.

683452989 is a deficient number, since it is larger than the sum of its proper divisors (361828287).

683452989 is a wasteful number, since it uses less digits than its factorization.

683452989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467036 (or 4467033 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 683452989 is about 26142.9338254145. The cubic root of 683452989 is about 880.8518735211.

The spelling of 683452989 in words is "six hundred eighty-three million, four hundred fifty-two thousand, nine hundred eighty-nine".