671483893 has 4 divisors (see below), whose sum is σ = 694638540. Its totient is φ = 648329248.

The previous prime is 671483851. The next prime is 671483929. The reversal of 671483893 is 398384176.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 352575729 + 318908164 = 18777^2 + 17858^2 .

It is a cyclic number.

It is not a de Polignac number, because 671483893 - 2⁹ = 671483381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671483803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11577280 + ... + 11577337.

It is an arithmetic number, because the mean of its divisors is an integer number (173659635).

Almost surely, 2^671483893 is an apocalyptic number.

It is an amenable number.

671483893 is a deficient number, since it is larger than the sum of its proper divisors (23154647).

671483893 is a wasteful number, since it uses less digits than its factorization.

671483893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23154646.

The product of its digits is 870912, while the sum is 49.

The square root of 671483893 is about 25913.0062516876. The cubic root of 671483893 is about 875.6795343882.

The spelling of 671483893 in words is "six hundred seventy-one million, four hundred eighty-three thousand, eight hundred ninety-three".