974859 has 4 divisors (see below), whose sum is σ = 1299816. Its totient is φ = 649904.

The previous prime is 974849. The next prime is 974861. The reversal of 974859 is 958479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 974859 - 2¹⁵ = 942091 is a prime.

It is an Ulam number.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 974859.

It is not an unprimeable number, because it can be changed into a prime (974819) 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, 162474 + ... + 162479.

It is an arithmetic number, because the mean of its divisors is an integer number (324954).

2⁹⁷⁴⁸⁵⁹ is an apocalyptic number.

974859 is a deficient number, since it is larger than the sum of its proper divisors (324957).

974859 is a wasteful number, since it uses less digits than its factorization.

974859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324956.

The product of its digits is 90720, while the sum is 42.

The square root of 974859 is about 987.3494821997. The cubic root of 974859 is about 99.1548439012.

The spelling of 974859 in words is "nine hundred seventy-four thousand, eight hundred fifty-nine".