974657 has 2 divisors, whose sum is σ = 974658. Its totient is φ = 974656.

The previous prime is 974653. The next prime is 974707. The reversal of 974657 is 756479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 891136 + 83521 = 944^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 974657 - 2² = 974653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 974657.

It is not a weakly prime, because it can be changed into another prime (974651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487328 + 487329.

It is an arithmetic number, because the mean of its divisors is an integer number (487329).

2⁹⁷⁴⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

974657 is a deficient number, since it is larger than the sum of its proper divisors (1).

974657 is an equidigital number, since it uses as much as digits as its factorization.

974657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 974657 is about 987.2471828271. The cubic root of 974657 is about 99.1479948211.

The spelling of 974657 in words is "nine hundred seventy-four thousand, six hundred fifty-seven".