670898826 has 48 divisors (see below), whose sum is σ = 1603634760. Its totient is φ = 201392640.

The previous prime is 670898803. The next prime is 670898827. The reversal of 670898826 is 628898076.

It can be written as a sum of positive squares in 4 ways, for example, as 92448225 + 578450601 = 9615^2 + 24051^2 .

It is not an unprimeable number, because it can be changed into a prime (670898827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25371 + ... + 44558.

Almost surely, 2^670898826 is an apocalyptic number.

670898826 is an abundant number, since it is smaller than the sum of its proper divisors (932735934).

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

670898826 is a wasteful number, since it uses less digits than its factorization.

670898826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69991 (or 69988 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 670898826 is about 25901.7147308822. The cubic root of 670898826 is about 875.4251326200.

The spelling of 670898826 in words is "six hundred seventy million, eight hundred ninety-eight thousand, eight hundred twenty-six".