974649 has 16 divisors (see below), whose sum is σ = 1424192. Its totient is φ = 589248.

The previous prime is 974599. The next prime is 974651. The reversal of 974649 is 946479.

It is not a de Polignac number, because 974649 - 2⁹ = 974137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2427 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (89012).

2⁹⁷⁴⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

974649 is a deficient number, since it is larger than the sum of its proper divisors (449543).

974649 is a wasteful number, since it uses less digits than its factorization.

974649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its digits is 54432, while the sum is 39.

The square root of 974649 is about 987.2431311486. The cubic root of 974649 is about 99.1477235510.

The spelling of 974649 in words is "nine hundred seventy-four thousand, six hundred forty-nine".