671098914 has 24 divisors (see below), whose sum is σ = 1456443612. Its totient is φ = 223331040.

The previous prime is 671098913. The next prime is 671098921. The reversal of 671098914 is 419890176.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 596189889 + 74909025 = 24417^2 + 8655^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 671098914.

It is not an unprimeable number, because it can be changed into a prime (671098913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19377 + ... + 41444.

Almost surely, 2^671098914 is an apocalyptic number.

671098914 is an abundant number, since it is smaller than the sum of its proper divisors (785344698).

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

671098914 is a wasteful number, since it uses less digits than its factorization.

671098914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61442 (or 61439 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 671098914 is about 25905.5768899285. The cubic root of 671098914 is about 875.5121525236.

The spelling of 671098914 in words is "six hundred seventy-one million, ninety-eight thousand, nine hundred fourteen".