874997 has 4 divisors (see below), whose sum is σ = 876876. Its totient is φ = 873120.

The previous prime is 874987. The next prime is 875011. The reversal of 874997 is 799478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799478 = 2 ⋅399739.

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 192721 = 826^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 874997 - 2¹² = 870901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874957) by changing a digit.

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, 347 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (219219).

2⁸⁷⁴⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

874997 is a deficient number, since it is larger than the sum of its proper divisors (1879).

874997 is a wasteful number, since it uses less digits than its factorization.

874997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878.

The product of its digits is 127008, while the sum is 44.

The square root of 874997 is about 935.4127431247. The cubic root of 874997 is about 95.6464498281.

The spelling of 874997 in words is "eight hundred seventy-four thousand, nine hundred ninety-seven".