974628 has 18 divisors (see below), whose sum is σ = 2463734. Its totient is φ = 324864.

The previous prime is 974599. The next prime is 974651. The reversal of 974628 is 826479.

It can be written as a sum of positive squares in only one way, i.e., 831744 + 142884 = 912^2 + 378^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 27073 = 974628 / (9 + 7 + 4 + 6 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 974592 and 974601.

It is an unprimeable number.

974628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13501 + ... + 13572.

2⁹⁷⁴⁶²⁸ is an apocalyptic number.

It is an amenable number.

974628 is an abundant number, since it is smaller than the sum of its proper divisors (1489106).

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

974628 is a wasteful number, since it uses less digits than its factorization.

974628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27083 (or 27078 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 974628 is about 987.2324954133. The cubic root of 974628 is about 99.1470114597.

The spelling of 974628 in words is "nine hundred seventy-four thousand, six hundred twenty-eight".