676921308 has 48 divisors (see below), whose sum is σ = 1847112960. Its totient is φ = 188907264.

The previous prime is 676921241. The next prime is 676921321. The reversal of 676921308 is 803129676.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 676921308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90093 + ... + 97316.

It is an arithmetic number, because the mean of its divisors is an integer number (38481520).

Almost surely, 2^676921308 is an apocalyptic number.

It is an amenable number.

676921308 is an abundant number, since it is smaller than the sum of its proper divisors (1170191652).

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

676921308 is a wasteful number, since it uses less digits than its factorization.

676921308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187466 (or 187464 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 676921308 is about 26017.7114289478. The cubic root of 676921308 is about 878.0368202518.

The spelling of 676921308 in words is "six hundred seventy-six million, nine hundred twenty-one thousand, three hundred eight".