671893614 has 48 divisors (see below), whose sum is σ = 1695144672. Its totient is φ = 188345664.

The previous prime is 671893603. The next prime is 671893631. The reversal of 671893614 is 416398176.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 671893614.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43629 + ... + 56984.

It is an arithmetic number, because the mean of its divisors is an integer number (35315514).

Almost surely, 2^671893614 is an apocalyptic number.

671893614 is an abundant number, since it is smaller than the sum of its proper divisors (1023251058).

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

671893614 is a wasteful number, since it uses less digits than its factorization.

671893614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100681 (or 100678 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 671893614 is about 25920.9107478885. The cubic root of 671893614 is about 875.8576033633.

The spelling of 671893614 in words is "six hundred seventy-one million, eight hundred ninety-three thousand, six hundred fourteen".