1678423308 has 24 divisors (see below), whose sum is σ = 3919236720. Its totient is φ = 559057920.

The previous prime is 1678423303. The next prime is 1678423319. The reversal of 1678423308 is 8033248761.

It is a self number, because there is not a number n which added to its sum of digits gives 1678423308.

It is not an unprimeable number, because it can be changed into a prime (1678423303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35053 + ... + 67716.

It is an arithmetic number, because the mean of its divisors is an integer number (163301530).

Almost surely, 2^1678423308 is an apocalyptic number.

It is an amenable number.

1678423308 is an abundant number, since it is smaller than the sum of its proper divisors (2240813412).

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

1678423308 is a wasteful number, since it uses less digits than its factorization.

1678423308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104137 (or 104135 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1678423308 is about 40968.5648760119. The cubic root of 1678423308 is about 1188.4123799362.

The spelling of 1678423308 in words is "one billion, six hundred seventy-eight million, four hundred twenty-three thousand, three hundred eight".