670898814 has 16 divisors (see below), whose sum is σ = 1373002752. Its totient is φ = 218432088.

The previous prime is 670898803. The next prime is 670898827. The reversal of 670898814 is 418898076.

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, 1299934 + ... + 1300449.

It is an arithmetic number, because the mean of its divisors is an integer number (85812672).

Almost surely, 2^670898814 is an apocalyptic number.

670898814 is an abundant number, since it is smaller than the sum of its proper divisors (702103938).

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

670898814 is a wasteful number, since it uses less digits than its factorization.

670898814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600431.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 670898814 is about 25901.7144992373. The cubic root of 670898814 is about 875.4251274006.

The spelling of 670898814 in words is "six hundred seventy million, eight hundred ninety-eight thousand, eight hundred fourteen".