974945 has 4 divisors (see below), whose sum is σ = 1169940. Its totient is φ = 779952.

The previous prime is 974927. The next prime is 974957. The reversal of 974945 is 549479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549479 = 7 ⋅78497.

It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 833569 = 376^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 974945 - 2¹⁶ = 909409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 974899 and 974908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97490 + ... + 97499.

It is an arithmetic number, because the mean of its divisors is an integer number (292485).

2⁹⁷⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

974945 is a deficient number, since it is larger than the sum of its proper divisors (194995).

974945 is a wasteful number, since it uses less digits than its factorization.

974945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194994.

The product of its digits is 45360, while the sum is 38.

The square root of 974945 is about 987.3930321812. The cubic root of 974945 is about 99.1577595590.

The spelling of 974945 in words is "nine hundred seventy-four thousand, nine hundred forty-five".