671803348 has 24 divisors (see below), whose sum is σ = 1246736232. Its totient is φ = 315654144.

The previous prime is 671803337. The next prime is 671803361. The reversal of 671803348 is 843308176.

It can be written as a sum of positive squares in 4 ways, for example, as 245298244 + 426505104 = 15662^2 + 20652^2 .

It is a super-3 number, since 3×671803348³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 671803348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38740 + ... + 53332.

It is an arithmetic number, because the mean of its divisors is an integer number (51947343).

Almost surely, 2^671803348 is an apocalyptic number.

671803348 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

671803348 is a deficient number, since it is larger than the sum of its proper divisors (574932884).

671803348 is a wasteful number, since it uses less digits than its factorization.

671803348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15291 (or 15289 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 671803348 is about 25919.1695083002. The cubic root of 671803348 is about 875.8183790468.

The spelling of 671803348 in words is "six hundred seventy-one million, eight hundred three thousand, three hundred forty-eight".