1678604382 has 96 divisors (see below), whose sum is σ = 4597424832. Its totient is φ = 430728192.

The previous prime is 1678604371. The next prime is 1678604387. The reversal of 1678604382 is 2834068761.

1678604382 is a `hidden beast` number, since 1 + 6 + 7 + 8 + 604 + 38 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678604387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46758 + ... + 74454.

It is an arithmetic number, because the mean of its divisors is an integer number (47889842).

Almost surely, 2^1678604382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1678604382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298712416).

1678604382 is an abundant number, since it is smaller than the sum of its proper divisors (2918820450).

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

1678604382 is a wasteful number, since it uses less digits than its factorization.

1678604382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27762 (or 27759 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1678604382 is about 40970.7747302879. The cubic root of 1678604382 is about 1188.4551150524.

The spelling of 1678604382 in words is "one billion, six hundred seventy-eight million, six hundred four thousand, three hundred eighty-two".