970649 has 4 divisors (see below), whose sum is σ = 1027764. Its totient is φ = 913536.

The previous prime is 970643. The next prime is 970657. The reversal of 970649 is 946079.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322624 + 648025 = 568^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 970649 - 2⁴ = 970633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (970643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28532 + ... + 28565.

It is an arithmetic number, because the mean of its divisors is an integer number (256941).

2⁹⁷⁰⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

970649 is a deficient number, since it is larger than the sum of its proper divisors (57115).

970649 is a wasteful number, since it uses less digits than its factorization.

970649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57114.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 970649 is about 985.2152049172. The cubic root of 970649 is about 99.0119021163.

The spelling of 970649 in words is "nine hundred seventy thousand, six hundred forty-nine".