874397 has 2 divisors, whose sum is σ = 874398. Its totient is φ = 874396.

The previous prime is 874387. The next prime is 874403. The reversal of 874397 is 793478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784996 + 89401 = 886^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 874397 - 2¹² = 870301 is a prime.

It is a super-2 number, since 2×874397² = 1529140227218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 874397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874337) 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 as a sum of consecutive naturals, namely, 437198 + 437199.

It is an arithmetic number, because the mean of its divisors is an integer number (437199).

2⁸⁷⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

874397 is a deficient number, since it is larger than the sum of its proper divisors (1).

874397 is an equidigital number, since it uses as much as digits as its factorization.

874397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 874397 is about 935.0919740860. The cubic root of 874397 is about 95.6245827085.

The spelling of 874397 in words is "eight hundred seventy-four thousand, three hundred ninety-seven".