671903488 has 18 divisors (see below), whose sum is σ = 1341182864. Its totient is φ = 335951616.

The previous prime is 671903483. The next prime is 671903503. The reversal of 671903488 is 884309176.

It is a happy number.

It is a super-2 number, since 2×671903488² = 902908594373132288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671903483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312056 + ... + 1312567.

Almost surely, 2^671903488 is an apocalyptic number.

It is an amenable number.

671903488 is a deficient number, since it is larger than the sum of its proper divisors (669279376).

671903488 is an equidigital number, since it uses as much as digits as its factorization.

671903488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624639 (or 2624625 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 671903488 is about 25921.1012111754. The cubic root of 671903488 is about 875.8618938121.

The spelling of 671903488 in words is "six hundred seventy-one million, nine hundred three thousand, four hundred eighty-eight".