974646828 has 18 divisors (see below), whose sum is σ = 2463690684. Its totient is φ = 324882264.

The previous prime is 974646821. The next prime is 974646847. The reversal of 974646828 is 828646479.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (974646821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13536726 + ... + 13536797.

Almost surely, 2^974646828 is an apocalyptic number.

It is an amenable number.

974646828 is an abundant number, since it is smaller than the sum of its proper divisors (1489043856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

974646828 is a wasteful number, since it uses less digits than its factorization.

974646828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27073533 (or 27073528 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 974646828 is about 31219.3342017411. The cubic root of 974646828 is about 991.4764990085.

The spelling of 974646828 in words is "nine hundred seventy-four million, six hundred forty-six thousand, eight hundred twenty-eight".