674210989 has 4 divisors (see below), whose sum is σ = 676407424. Its totient is φ = 672014556.

The previous prime is 674210981. The next prime is 674211047. The reversal of 674210989 is 989012476.

674210989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674210989 - 2³ = 674210981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674210981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097757 + ... + 1098370.

It is an arithmetic number, because the mean of its divisors is an integer number (169101856).

Almost surely, 2^674210989 is an apocalyptic number.

It is an amenable number.

674210989 is a deficient number, since it is larger than the sum of its proper divisors (2196435).

674210989 is a wasteful number, since it uses less digits than its factorization.

674210989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196434.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 674210989 is about 25965.5731498459. The cubic root of 674210989 is about 876.8633982544.

The spelling of 674210989 in words is "six hundred seventy-four million, two hundred ten thousand, nine hundred eighty-nine".