974549 has 4 divisors (see below), whose sum is σ = 984300. Its totient is φ = 964800.

The previous prime is 974539. The next prime is 974551. The reversal of 974549 is 945479.

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 552049 + 422500 = 743^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 974549 - 2⁸ = 974293 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 (974539) 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, 4724 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (246075).

2⁹⁷⁴⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

974549 is a deficient number, since it is larger than the sum of its proper divisors (9751).

974549 is a wasteful number, since it uses less digits than its factorization.

974549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9750.

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

The square root of 974549 is about 987.1924837639. The cubic root of 974549 is about 99.1443325485.

The spelling of 974549 in words is "nine hundred seventy-four thousand, five hundred forty-nine".