671670498 has 16 divisors (see below), whose sum is σ = 1349109216. Its totient is φ = 222928800.

The previous prime is 671670497. The next prime is 671670551. The reversal of 671670498 is 894076176.

It is a super-2 number, since 2×671670498² = 902282515767136008, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671670497) 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, 238828 + ... + 241623.

It is an arithmetic number, because the mean of its divisors is an integer number (84319326).

Almost surely, 2^671670498 is an apocalyptic number.

671670498 is an abundant number, since it is smaller than the sum of its proper divisors (677438718).

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

671670498 is a wasteful number, since it uses less digits than its factorization.

671670498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480689.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 671670498 is about 25916.6066065756. The cubic root of 671670498 is about 875.7606438269.

The spelling of 671670498 in words is "six hundred seventy-one million, six hundred seventy thousand, four hundred ninety-eight".