671929608 has 32 divisors (see below), whose sum is σ = 1919799360. Its totient is φ = 191979840.

The previous prime is 671929603. The next prime is 671929627. The reversal of 671929608 is 806929176.

It is not an unprimeable number, because it can be changed into a prime (671929603) 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, 1999623 + ... + 1999958.

It is an arithmetic number, because the mean of its divisors is an integer number (59993730).

Almost surely, 2^671929608 is an apocalyptic number.

It is an amenable number.

671929608 is an abundant number, since it is smaller than the sum of its proper divisors (1247869752).

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

671929608 is a wasteful number, since it uses less digits than its factorization.

671929608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999597 (or 3999593 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 671929608 is about 25921.6050428981. The cubic root of 671929608 is about 875.8732432676.

The spelling of 671929608 in words is "six hundred seventy-one million, nine hundred twenty-nine thousand, six hundred eight".