974789 has 4 divisors (see below), whose sum is σ = 978540. Its totient is φ = 971040.

The previous prime is 974773. The next prime is 974803. The reversal of 974789 is 987479.

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 280900 + 693889 = 530^2 + 833^2 .

It is a cyclic number.

It is not a de Polignac number, because 974789 - 2⁴ = 974773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974749) 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, 1454 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (244635).

2⁹⁷⁴⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

974789 is a deficient number, since it is larger than the sum of its proper divisors (3751).

974789 is a wasteful number, since it uses less digits than its factorization.

974789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750.

The product of its digits is 127008, while the sum is 44.

The square root of 974789 is about 987.3140331222. The cubic root of 974789 is about 99.1524705648.

The spelling of 974789 in words is "nine hundred seventy-four thousand, seven hundred eighty-nine".