974642 has 8 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 485044.

The previous prime is 974599. The next prime is 974651. The reversal of 974642 is 246479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 974599 and 974608.

It is an unprimeable number.

974642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (183600).

2⁹⁷⁴⁶⁴² is an apocalyptic number.

974642 is a deficient number, since it is larger than the sum of its proper divisors (494158).

974642 is a wasteful number, since it uses less digits than its factorization.

974642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its digits is 12096, while the sum is 32.

The square root of 974642 is about 987.2395859162. The cubic root of 974642 is about 99.1474861883.

The spelling of 974642 in words is "nine hundred seventy-four thousand, six hundred forty-two".