670986361 has 8 divisors (see below), whose sum is σ = 688772448. Its totient is φ = 653268000.

The previous prime is 670986347. The next prime is 670986373. The reversal of 670986361 is 163689076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670986361 - 2¹³ = 670978169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670986341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3466 + ... + 36796.

It is an arithmetic number, because the mean of its divisors is an integer number (86096556).

Almost surely, 2^670986361 is an apocalyptic number.

It is an amenable number.

670986361 is a deficient number, since it is larger than the sum of its proper divisors (17786087).

670986361 is a wasteful number, since it uses less digits than its factorization.

670986361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33863.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 670986361 is about 25903.4044287619. The cubic root of 670986361 is about 875.4632044343.

The spelling of 670986361 in words is "six hundred seventy million, nine hundred eighty-six thousand, three hundred sixty-one".