974823 has 4 divisors (see below), whose sum is σ = 1299768. Its totient is φ = 649880.

The previous prime is 974821. The next prime is 974837. The reversal of 974823 is 328479.

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 974823 - 2¹ = 974821 is a prime.

It is a d-powerful number, because it can be written as 9 + 7⁷ + 8³ + 4 + 2¹⁷ + 3⁹ .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974821) 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, 162468 + ... + 162473.

It is an arithmetic number, because the mean of its divisors is an integer number (324942).

2⁹⁷⁴⁸²³ is an apocalyptic number.

974823 is a deficient number, since it is larger than the sum of its proper divisors (324945).

974823 is a wasteful number, since it uses less digits than its factorization.

974823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324944.

The product of its digits is 12096, while the sum is 33.

The square root of 974823 is about 987.3312514045. The cubic root of 974823 is about 99.1536233424.

The spelling of 974823 in words is "nine hundred seventy-four thousand, eight hundred twenty-three".