974647 has 4 divisors (see below), whose sum is σ = 977440. Its totient is φ = 971856.

The previous prime is 974599. The next prime is 974651. The reversal of 974647 is 746479.

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

It is a cyclic number.

It is not a de Polignac number, because 974647 - 2¹¹ = 972599 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 (974657) 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, 783 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (244360).

2⁹⁷⁴⁶⁴⁷ is an apocalyptic number.

974647 is a deficient number, since it is larger than the sum of its proper divisors (2793).

974647 is a wasteful number, since it uses less digits than its factorization.

974647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792.

The product of its digits is 42336, while the sum is 37.

The square root of 974647 is about 987.2421182263. The cubic root of 974647 is about 99.1476557332.

The spelling of 974647 in words is "nine hundred seventy-four thousand, six hundred forty-seven".